Le problème des « méga-COP » : une conférence de 50 000 personnes peut-elle encore lutter contre le changement climatique ?

Source: The Conversation – in French – By Dr Hayley Walker, Assistant Professor of International Negotiation, IÉSEG School of Management

Les COP attirent désormais des dizaines de milliers de participants. Une affluence qui pose de nombreux problèmes, et qui doit être réduite, à la fois pour que l’empreinte carbone d’un événement centré sur la lutte contre le réchauffement climatique ne soit pas démesurée et pour que les participants ne soient pas frustrés, ce qui ne peut qu’avoir un effet délétère sur leur participation ultérieure à le mise en œuvre des mesures adoptées durant les COP.


Les gouvernements du monde entier se réuniront bientôt à Belém au Brésil, pour la 30e Conférence des Parties (COP30), accompagnés de nombreux représentants du monde de l’industrie et des entreprises, de la société civile, d’instituts de recherche, d’organisations de jeunesse et de groupes de peuples autochtones – liste non exhaustive.

Depuis l’adoption de l’accord de Paris sur le changement climatique en 2015, le nombre de participants à la COP a explosé. La COP28 à Dubaï a réuni 83 884 participants, un record, et bien que ce nombre soit tombé à 54 148 lors de la COP29 à Bakou l’année dernière, il est resté bien supérieur à celui de la COP21 à Paris.

Les récentes « méga-COP » ont été critiquées pour leur énorme empreinte carbone. La recherche sur la participation des acteurs non étatiques aux COP que nous avons menée avec Lisanne Groen de l’Open Universiteit (Heerlen, Pays-Bas) identifie deux autres problèmes.

Premièrement, la quantité de participants nuit à la qualité de la participation, car un grand nombre d’acteurs non étatiques sont contraints de se disputer un nombre limité de salles de réunion, de créneaux horaires pour l’organisation d’événements parallèles, d’occasions de s’exprimer publiquement et de chances d’entrer en dialogue avec les décideurs. Deuxièmement, la tendance aux « méga-COP » creuse un fossé entre, d’une part, les attentes de ces acteurs en termes d’impact qu’ils espèrent avoir sur le déroulement des événements et, d’autre part, la réalité des faits.

Réduire le nombre de participants d’une façon équitable

En ce qui concerne le premier problème, la solution évidente consiste à réduire la taille des COP, mais cela n’est pas si facile dans la pratique. La décision d’organiser la COP30 dans la ville amazonienne de Belém, difficile d’accès et ne disposant que de 18 000 lits d’hôtel, a été considérée comme une tentative de dépasser ce qu’on a appelé le « pic COP »

Des dizaines de milliers de participants, qui ne semblent pas découragés par l’éloignement du lieu, sont tout de même attendus, mais l’offre limitée de lits a provoqué une flambée des prix, ce qui soulève des inquiétudes quant aux coûts et à leur effet potentiel sur « la légitimité et la qualité des négociations », comme le rapporte Reuters.

À mesure que les COP ont pris de l’ampleur, elles ont suscité de plus en plus d’attention de la part des milieux politiques et des médias, au point d’être désormais considérées comme « un événement où il faut absolument être présent ». Cela incite les organisations non gouvernementales et d’autres acteurs non étatiques à y participer. Tout comme la force gravitationnelle des grands corps massifs attire d’autres objets vers eux, la masse des « méga-COP » attire un nombre croissant de participants, en un cycle qui ne cesse de se renforcer et devient difficile à briser.

La force gravitationnelle des « méga-COP ».
Hayley Walker, Fourni par l’auteur

Selon nous, la manière la plus équitable de réduire la taille des COP consisterait à mettre en lumière la catégorie peu connue des participants « excédentaires ». Cette catégorie permettait autrefois aux gouvernements d’ajouter des délégués aux événements sans que leurs noms n’apparaissent sur les listes de participants, mais leurs noms sont désormais rendus publics depuis l’introduction de nouvelles mesures de transparence en 2023. Lors de la COP28, il y avait 23 740 participants « excédentaires ». Il ne s’agit pas de négociateurs gouvernementaux, mais souvent de chercheurs ou de représentants de l’industrie qui entretiennent des liens étroits avec les gouvernements.

Les COP sont des processus intergouvernementaux : elles sont créées par les gouvernements, pour les gouvernements. Par conséquent, la priorité est donnée aux demandes d’accréditation émanant des gouvernements.

Ce n’est qu’une fois toutes les demandes gouvernementales satisfaites que les accréditations restantes peuvent être attribuées à des acteurs non étatiques admis, appelés « observateurs ».

Les participants excédentaires bénéficient d’accréditations au détriment de ces organisations observatrices. Faire pression sur les gouvernements pour qu’ils limitent ou suppriment la catégorie des participants excédentaires permettrait donc de libérer beaucoup plus de badges pour les observateurs tout en réduisant le nombre total de participants à la COP de manière plus équitable.

L’écart entre les attentes des participants et la réalité des COP

Le deuxième problème, celui de l’écart entre les attentes des acteurs et ce qui se passe concrètement durant les COP, est lié à une conception de plus en plus erronée du rôle des acteurs non étatiques dans le processus de négociation des politiques climatiques.

Les États souverains sont les seuls acteurs légitimes pour négocier et adopter le droit international. Le rôle des acteurs non étatiques est d’informer et de mener des actions de plaidoyers, mais pas de négocier. Pourtant, ces dernières années, certains groupes d’acteurs non étatiques ont multiplié les appels pour obtenir « une place à la table des négociations » dans l’espoir de pouvoir participer aux réunions sur un pied d’égalité avec les gouvernements.

Ce discours, largement amplifié sur les réseaux sociaux, conduit inévitablement à la frustration et à la déception lorsque ces acteurs sont confrontés à la réalité des négociations intergouvernementales.

Nous constatons ce décalage en particulier chez les acteurs non étatiques qui sont nouveaux dans le processus. Les « méga-COP » attirent de plus en plus de nouveaux participants, qui ne disposent peut-être pas des ressources, notamment du savoir-faire et des contacts, nécessaires pour atteindre efficacement les décideurs politiques. La désillusion croissante de ces participants sape la légitimité des COP ; or cette légitimité est un atout précieux dans un contexte géopolitique où elles sont confrontées aux défis posés par l’administration Trump, mais risque également de gaspiller les idées et l’enthousiasme précieux apportés par les nouveaux venus.

Se concentrer sur la mise en œuvre des décisions

Nous voyons deux solutions. Premièrement, les initiatives visant à renforcer les capacités peuvent sensibiliser à la nature intergouvernementale des négociations et aider les nouveaux participants à s’engager efficacement. L’un de ces outils est le « Guide de l’observateur » de la Convention-cadre des Nations unies sur les changements climatiques (CCNUCC). De nombreuses organisations et personnes produisent leurs propres ressources pour aider les nouveaux participants à comprendre le fonctionnement du processus et la manière de s’impliquer. Deuxièmement, et de manière plus fondamentale, il convient de détourner l’attention des responsables politiques, des médias et du public des négociations en tant que telles pour la diriger vers le travail essentiel de mise en œuvre des politiques climatiques.

Les COP sont bien plus que de simples négociations : elles constituent également un forum qui rassemble les nombreux acteurs qui mettent en œuvre des mesures climatiques sur le terrain afin qu’ils puissent apprendre les uns des autres et créer une dynamique. Ces activités, qui se déroulent dans une zone dédiée de la COP appelée « Programme d’action », revêtent une importance capitale maintenant que les négociations sur l’accord de Paris ont abouti et qu’un nouveau chapitre axé sur la mise en œuvre s’ouvre. Si le rôle des acteurs non étatiques dans les négociations intergouvernementales est plutôt limité, il est en revanche central lorsqu’il s’agit de la mise en œuvre des mesures décidées lors des COP. Les actions des villes, des régions, des entreprises, des groupes de la société civile et d’autres acteurs non étatiques peuvent contribuer à combler l’écart entre les objectifs de réduction des émissions fixés par les gouvernements et les réductions qui seront nécessaires pour atteindre les objectifs de l’Accord de Paris.

La question clé est donc de concentrer l’énergie et l’attention des acteurs sur le programme d’action et la mise en œuvre des politiques, de façon à leur donner suffisamment d’importance pour qu’ils exercent leur propre force d’attraction et déclenchent une dynamique positive en faveur de l’action climatique. Il est encourageant de voir la présidence brésilienne qualifier la COP30 de « COP de la mise en œuvre » et appeler à un « Mutirão », un sentiment collectif d’engagement et d’action sur le terrain qui ne nécessite pas une présence physique à Belém. Cela permet à la fois de résoudre les problèmes liés aux « méga-COP » et de canaliser l’énergie collective vers les domaines qui en ont le plus besoin.

The Conversation

Dr Hayley Walker ne travaille pas, ne conseille pas, ne possède pas de parts, ne reçoit pas de fonds d’une organisation qui pourrait tirer profit de cet article, et n’a déclaré aucune autre affiliation que son organisme de recherche.

ref. Le problème des « méga-COP » : une conférence de 50 000 personnes peut-elle encore lutter contre le changement climatique ? – https://theconversation.com/le-probleme-des-mega-cop-une-conference-de-50-000-personnes-peut-elle-encore-lutter-contre-le-changement-climatique-269206

James Watson exemplified the best and worst of science – from monumental discoveries to sexism and cutthroat competition

Source: The Conversation – USA – By Andor J. Kiss, Director of the Center for Bioinformatics and Functional Genomics, Miami University

James Watson was both a towering and controversial figure in science. Gerhard Rauchwetter/picture alliance via Getty Images

James Dewey Watson was an American molecular biologist most known for co-winning the 1962 Nobel Prize in physiology or medicine for discovering the structure of DNA and its significance in transferring information in living systems. The importance of this discovery cannot be overstated. It unlocked how genes work and gave birth to the fields of molecular biology and evolutionary phylogenetics. It has inspired and influenced my career as a scientist and as director of a bioinformatics and functional genomics research center.

Watson was also an outspoken and controversial figure who transformed the way science was communicated. He was the first high-profile Nobel laureate to give the general public a shockingly personal and unfiltered glimpse into the cutthroat and competitive world of scientific research. Watson died on Nov. 6, 2025 at age 97.

Watson’s pursuit of the gene

Watson attended the University of Chicago at age 15, initially intending to become an ornithologist. After reading Erwin Schrödinger’s book of collected public lectures on the chemistry and physics of how cells operate, “What is Life?,” he became interested in finding out what genes are made of – the biggest question in biology at the time.

Chromosomes – a mixture of protein and DNA – were known to be the molecules of heredity. But most scientists were convinced that proteins, with 20 different building blocks, were the likely candidate as opposed to DNA with only four building blocks. When the 1944 Avery-MacLeod-McCarty experiment demonstrated that DNA was the carrier molecule of inheritance, the focus immediately shifted to understanding DNA.

Watson completed his doctorate in zoology at Indiana University in 1950, followed by a year in Copenhagen studying viruses. He met biophysicist Maurice Wilkins at a conference in 1951. During Wilkins’ talk on the molecular structure of DNA, Watson saw preliminary X-ray photographs of DNA. This prompted him to follow Wilkins to the Cavendish Laboratory at the University of Cambridge to pursue work into uncovering the structure of DNA. Here, Watson met physicist-turned-biologist Francis Crick and developed an immediate bond with him over their shared research interests.

Headshots of Francis Crick, James Watson and Maurice Wilkins
Watson, at center, was jointly awarded the 1962 Nobel Prize in medicine with Francis Crick, left, and Maurice Wilkins.
AP Photo

Soon, Watson and Crick published their seminal findings on the structure of DNA in the journal Nature in 1953. Two other papers were also published in the same journal issue on the structure of DNA, one co-authored by Wilkins and the other co-authored by chemist and X-ray crystallographer Rosalind Franklin.

Franklin took the X-ray photographs of DNA crystals that contained the data necessary for solving the structure of DNA. Her work, taken together with the work of the Cavendish Laboratory members, led to the 1962 Nobel Prize in physiology or medicine awarded to Watson, Crick and Wilkins.

The prize and the controversy

Although they were aware that Franklin’s essential X-ray photographs circulated in an internal Cavendish Laboratory summary report, neither Watson nor Crick acknowledged her contributions in their now famous 1953 Nature paper. In 1968, Watson published a book recounting the events surrounding the discovery of the DNA structure as he experienced them, wherein he minimizes Franklin’s contributions and refers to her in sexist language. In the book’s epilogue, he does acknowledge Franklin’s contributions but stops short of providing full credit for her role in the discovery.

Some historians have argued that part of the justification for not formally recognizing Franklin was that her work had not been published at the time and was “common knowledge” in the Cavendish Laboratory because researchers working on the DNA problem routinely shared data with one another. However, the co-opting of Franklin’s data and its incorporation in a formal publication without attribution or permission is now largely viewed as a well-known example of poor behavior both in science and in the treatment of female colleagues by their male counterparts in professional settings.

During the race to decipher DNA, science was an old boys’ club.

In the decades since the Nobel Prize was awarded to Watson, Crick and Wilkins, some have recast Rosalind Franklin as a feminist icon. Whether or not she would have endorsed this is uncertain, as it is unclear how she would have felt about being left out of a Nobel Prize and written about disparagingly in Watson’s account of events. What has become clear is that her contribution was critical and essential, and she is now widely regarded as an equal contributor to the discovery of the structure of DNA.

Future of science collaboration

How have attitudes and behaviors towards junior colleagues and collaborators changed in the years since Watson and Crick were recognized for the Nobel Prize?

In many cases, universities, research institutions, funding agencies and peer-reviewed journals have implemented formal policies to transparently identify and credit the work and contributions of all researchers involved in a project. While these policies don’t always work, the scientific environment has changed for the better to be more inclusive. This evolution may be due to recognizing that a single individual is rarely able to tackle and solve complex scientific problems by themselves. And when problems occur, there are more formal mechanisms for people to seek mitigation.

Frameworks for sorting disputes can be found in author guidelines from journals, professional associations and institutions. There is also a journal called Accountability in Research that is “devoted to the examination and critical analysis of practices and systems for promoting integrity in the conduct of research.” Guidance for scientists, institutions and grant-funding agencies on how to structure author attribution and accountability represents a significant advancement in fairness and ethical procedures and standards.

Hexagonal aluminum plates in the shape of the bases adenine, guanine, cytosine and thymine
These are the aluminum plates Watson and Crick used to represent the four bases in their model of DNA.
Science & Society Picture Library/Getty Images

I’ve had both positive and negative experiences in my own career. These range from being included on papers when I was an undergraduate to being written out of grants to having my contributions left in while I was dropped from authorship without my knowledge. It is important to note that most of my negative experiences occurred early in my career, likely because senior collaborators felt they could get away with it.

It’s also likely that these negative experiences occur less often now that I am upfront and explicit with my expectations regarding co-authorship at the outset of a collaboration. I am prepared and can afford to turn down collaborations.

I suspect this mirrors experiences that others have had, and is very likely amplified for people from groups that are underrepresented in science. Unfortunately, poor behavior, including sexual harassment, is still happening in the field. Suffice it to say, science as a community still has a long way to go – as does society at large.

After co-discovering the structure of DNA, James Watson went on to study viruses at Harvard University and helm Cold Spring Harbor Laboratory, reviving and substantially expanding its physical space, staff and worldwide reputation. When the Human Genome Project was in its infancy, Watson was an obvious choice to lead and drive it forward, later stepping aside after a protracted battle over whether the human genome and genes themselves could be patented – Watson was firmly against gene patents.

Despite all the immense good Watson did during his lifetime, his legacy is tarnished by his long history of racist and sexist public comments as well as his ongoing disparagement of Rosalind Franklin both personally and professionally. And it is regrettable that he and Crick chose not to acknowledge all those who contributed to their great discovery at the critical points.

The Conversation

Andor J. Kiss does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

ref. James Watson exemplified the best and worst of science – from monumental discoveries to sexism and cutthroat competition – https://theconversation.com/james-watson-exemplified-the-best-and-worst-of-science-from-monumental-discoveries-to-sexism-and-cutthroat-competition-204614

What to know as hundreds of flights are grounded across the US – an air travel expert explains

Source: The Conversation – USA (2) – By Laurie A. Garrow, Professor of Civil and Environmental Engineering, Georgia Institute of Technology

Passengers walk through the Ronald Reagan Washington National Airport on Nov. 7, 2025. Anna Moneymaker/Getty Images

Major airports across the United States were subject to a 4% reduction in flights on Nov. 7, 2025, as the government shutdown began to affect travelers.

The move by the Federal Aviation Administration is intended to ease pressure on air traffic controllers, many of whom have been working for weeks without pay after the government shut down on Oct. 1. While nonessential employees were furloughed, workers deemed essential, such as air traffic controllers, have continued to do their jobs.

But what does that mean for the many Americans who take to the skies every day? To find out, The Conversation U.S. spoke with Laurie A. Garrow, a civil aviation expert at Georgia Tech.

What do we know about the FAA’s plans so far?

The first thing to note is that things can change fast. But as of this morning, 4% of flights are being canceled across 40 “high-volume” airports. The list is publicly available, but it includes most of the big hubs across the United States, such as Atlanta, New York’s airports, Chicago O’Hare, Los Angeles International and Dallas/Fort Worth.

The plan is to ramp this up to 10% by Nov. 14 should the shutdown extend that long.

The FAA, the U.S. Department of Transportation and the airlines are working together on the details of which flights and routes are affected – and this will no doubt be monitored as the days go on.

But they are trying to make the cancellations in a way that cause the least disruption to customers.

So we are looking at cuts to domestic, not international, flights – flights across the Atlantic, Pacific and to Latin America are not, for now at least, subject to cuts.

The 4% of cancellations we are seeing are really targeting the high-frequency routes. This should help mitigate the impact. For example, typically American Airlines flies nine flights a day from Miami to Orlando, but they are planning to fly eight this weekend.

And carriers are looking at reducing regional flights. For example, my mom lives near Erie, Pennsylvania, where American Airlines flies three daily flights to their hub in Charlotte – I would expect that to go down to two, or one.

But the FAA was clear that it wasn’t going to cut flights to markets entirely, just reduce them.

What will this mean for existing flights?

For starters, you are going to see more passengers on them. It is fortunate that we are in the lull before Thanksgiving. This isn’t like the summer. There is more slack in the system – so there are extra seats available. If one flight gets canceled on a busy route, it will at this stage be fairly easy to accommodate on another flight.

And I expect customers will be asked to get to airports a little earlier than they would normally.

But people should expect more delays on existing flights. This is because of the way we maintain safety in the air transportation system. Air traffic control can only safely watch a certain number of flights. So when you have someone not at work, or a reduction in number of controllers, you will need to reduce the number of airplanes in the sky. You can’t ask a controller to watch, say, 20 flights when they usually watch 10. So what you do is put in more ground delay programs to limit the number of aircraft coming into or out of an airport. This causes delays but is necessary in peak periods.

What impact will this have on airlines?

At 4%, probably not too much of an impact. When you look at the list of airports affected, it is balanced from the point of view that many are large hubs and the pain is being shared across all U.S. carriers.

As for the impact on other types of businesses, at the moment it is mainly the industries that air transportation supports. According to the International Air Transport Association, the air transport sector in the U.S. – covering airlines, airports and tourism enabled by aviation –contributes about US$1.3 trillion, or about 4.7%, to GDP and supports about 7.6 million jobs. If these wider sectors are severely affected, it could create a longer-term impact on the economy.

And if this continues into the holiday season?

That is when it will get painful for the carriers. If we are looking at reduction of 10% going into the holiday season with additional delays, then that is when the real pain will be felt.

Will this affect how Americans choose to travel?

Air travel is what I call an emotional mode of transport – we use it for the events that are most significant in our life, such as big family meet-ups, holidays and major face-to-face business deals. So this may affect how people choose to travel going into the holiday season if it is more difficult to get people back to their families in time.

Robert Isom, CEO of American Airlines, said on Nov. 7 that they are seeing an impact on bookings, with people postponing and rescheduling travel.

I certainly think for people looking at a 500- to 600-mile trip, the option of traveling by car is looking more appealing right now.

Will passengers be compensated for canceled flights?

Typically, compensation depends on whether the delay or cancellation was within the airline’s control. The U.S. Department of Transportation has created a dashboard showing “what services U.S. airlines provide to mitigate passenger inconveniences when the cause of a cancellation or delay was due to circumstances within the airline’s control.”

However, delays and cancellations caused by ATC staffing shortages are not considered to be within the airline’s control, and it is up to each airline to decide if and how they will compensate passengers.

As of Nov. 7, many airlines had announced they were allowing customers to change their flights or request a refund without penalty, including nonrefundable fares such as basic economy.

After all, it is in their interest, too, that people continue to fly.

Typically, major carriers offer more services for delayed and canceled flights within their control than low-cost carriers.

A large building is seen behind a blue plane.
A Southwest Airlines plane taxis in front of the air traffic control tower at Los Angeles International Airport.
Mario Tama/Getty Images

Is there any precedent for this? What happened then?

There is no real precedent for what we are seeing: a 4% to 10% reduction across the board due to a government shutdown. But we have seen major disruptions, such as after the Sept. 11, 2001, terrorist attacks and during the pandemic, when COVID-19 ran through flight attendants and pilots before the holidays – that caused flight cancellations and delays.

Historically, when we have seen something like this, we have seen consumer behavior change for a short period. After 9/11, when U.S. travelers had the hassle of increased security, there was a shift to more automobile travel for those 500- to 600-mile journeys.

What advice would you give would-be flyers now?

First off, download the app for the airport and airline carrier so you get up-to-date, reliable information. And if you can book for a day earlier than you normally would for a major event, do so – it provides a buffer in case your flight is delayed or canceled.

And try to avoid connections at all costs. The fewer legs, the fewer things can go wrong.

Also, don’t check bags if you can. There is nothing worse than getting to an airport, finding your flight is canceled, and then having to wait for your luggage to get returned.

The Conversation

Laurie A. Garrow is Past President of AGIFORS, a non-profit organization dedicated to using advanced analytics to improve airline planning and operations.

ref. What to know as hundreds of flights are grounded across the US – an air travel expert explains – https://theconversation.com/what-to-know-as-hundreds-of-flights-are-grounded-across-the-us-an-air-travel-expert-explains-269265

National 211 hotline calls for food assistance quadrupled in a matter of days, a magnitude typically seen during disasters

Source: The Conversation – USA (3) – By Matthew W. Kreuter, Kahn Family Professor of Public Health, Washington University in St. Louis

Sharp spikes in calls for food assistance are rare outside of natural disasters. AP Photo/Eric Gay

Between January and mid-October 2025, calls to local 211 helplines from people seeking food pantries in their community held steady at nearly 1,000 calls per day.

But as the government shutdown entered its fourth week in late October, states began to warn residents that Supplemental Nutrition Assistance Program benefits, sometimes known as food stamps, would likely be affected. Nearly 42 million Americans receive SNAP benefits each month.

Over the next several days, calls to 211 from people seeking food pantries doubled to over 2,200 per day. Then on Oct. 26, the Trump administration announced that SNAP benefits would not be arriving as scheduled in November. The next day, food pantry calls skyrocketed to 3,324. The following day, calls reached 3,870. By Wednesday, it was 4,214.

We are public health scientists specializing in health communication and unmet social needs. We and our colleagues have been working closely with the 211 network of helplines across the U.S. for 18 years.

Excluding disasters, sudden surges of this magnitude in requests for food or any other need are rare at 211s, and can signal both public worry and need, as happened in the first weeks of the COVID-19 pandemic.

What is 211?

Like 911 for emergencies, 211 is a national three-digit dialing code, launched in 2000, that connects callers to information specialists at the nearest local 211 helpline. Those specialists listen to callers’ needs and provide them with referrals to health and social service providers near them that may be able to help.

Every call to 211 is classified by the need of the caller, such as shelter, rent, utilities or food – each of which has its own code.

Callers are disproportionately women, most of whom have children or teens living in their homes. Most don’t make enough money to make ends meet. They call 211 seeking help paying rent or utility bills, getting food to feed their family, or securing household necessities like a winter coat for a child, or a mattress.

The hotline does not solve these problems for callers, but 211 information specialists use the most current local information available to refer callers to service agencies that are most likely to have resources to help.

The 211 network is the closest thing the U.S. has to a real-time surveillance system of the needs of low-income Americans.

There are roughly 200 state and local 211s in the U.S., and on an average day they will collectively field between 35,000 and 40,000 requests for help. Each request is coded using a taxonomy of over 10,000 need types, is time- and date-stamped, and is linked to the caller’s ZIP code. In addition to phone calls received by their helplines, 211s increasingly track requests they receive online, through their websites. The national network of 211s covers all 50 states and 99% of the U.S. population.

It’s encouraging to us that with each passing year of giving talks and lectures about 211, more and more audience members raise their hands when asked if they’ve ever heard of 211. But it’s far from 100%. If you are one of those with your hand down, here’s what you need to know.

Food banks around the country are having trouble keeping their shelves stocked.

Gaining local insights

Our team aims to deploy the latest methods from data science, predictive analytics and artificial intelligence to detect trends in critical needs sooner and at a more localized level, increasing the speed and efficiency of getting needed help to local community members.

Our research has described the needs of callers who reach out to 211, community capacity to respond to callers’ needs, the ability of 211 to detect rapid changes in community needs, and the benefits of integrating health referrals into 211s.

When we saw food requests rising sharply in late October, we reached out to local leaders at 211 call centers to get insights into what they were hearing from callers.

Robin Pokojski, vice president of 211 and community partnerships at United Way of Greater St. Louis, reported that with all the uncertainty around SNAP benefits, callers were initially “anticipating” a need for food pantries. Tiffany Olson, who directs essential services at Crisis Connections and its 211 call center in Washington state, shared that even callers who rely heavily on their SNAP benefits sometimes need to use food banks as a supplement.

Those callers know that pivoting to rely solely on food banks probably won’t be enough to meet their food needs in full. They realize that food pantries and food banks will be more heavily burdened if SNAP benefits are unavailable.

Increasing the impact of 211 data

The trove of daily data on the needs of U.S. callers to 211 at the ZIP code level is unparalleled. Yet for years it was virtually invisible to anyone who didn’t work at a 211 hotline.

Even for people who work and volunteer within the 211 system, formal reporting on caller needs within a community was minimal, such as a one-page annual summary.

That changed in 2013.

Working with 211s across the country, our team created 211 Counts, a collection of user-friendly, public-facing data dashboards for local 211s across the U.S.

The dashboards allow users to explore the top needs in their community, see which neighborhoods are affected most and understand how needs are changing over time. The data can be sorted by legislative districts, school districts and counties to make the findings more relevant to different audiences.

Data on 211 requests are updated each night. Now in its 12th year, 211 Counts includes data on over 90 million requests from 211 callers in all or parts of 44 states. The local dashboards have been visited millions of times.

211 as an early-warning system

This is not the first time data collected through 211 hotlines has detected early signs of trouble for some Americans. Just weeks ago, we found that calls from people seeking assistance making car payments have been increasing steadily for five months, with daily calls peaking in October, at nearly twice the rate of May 2025.

Before that, 211s were months ahead of news reporting in seeing public distress associated with the 2022 baby formula shortage, the 2016 Flint water crisis and the 2007 subprime mortgage crisis.

When requests for major needs like food increase three- to fourfold overnight, every local 211 is likely to register this abrupt change.

But when less frequent needs, such as car payment assistance, creep up slowly, with an extra call here and there over several months, it’s unlikely that any local 211 hotline would notice.

That’s when the advantages of big data are greatest. By combining caller needs from 211s across the country, patterns emerge that would otherwise be missed. New data science tools are rapidly improving the speed and accuracy of detecting slight changes. When community and national leaders are made aware of potential rising threats, those threats can be tracked more closely and responses prepared.

It’s easy to lose sight of the fact that each data point is a hungry child or a worried parent.

Hotlines and food banks and food pantries need support in this moment to feed people. But most local safety net systems struggle to meet their community’s needs all the time. Data that documents the magnitude of need won’t fix the scarcity of local assistance, but it can help guide communities in allocating limited resources.

The Conversation

Matthew W. Kreuter receives funding from NIH.

Rachel Garg receives funding from NIH and NSF. She has previously received research support from Health Communication Impact, LLC to produce 211 data reports for United Way Worldwide.

ref. National 211 hotline calls for food assistance quadrupled in a matter of days, a magnitude typically seen during disasters – https://theconversation.com/national-211-hotline-calls-for-food-assistance-quadrupled-in-a-matter-of-days-a-magnitude-typically-seen-during-disasters-269057

De COP en COP, une géopolitique de la procrastination climatique

Source: The Conversation – France (in French) – By Moïse Tsayem, professeur en géographie, Le Mans Université

Entre promesses ajournées et coalitions aux intérêts divergents, les COP se suivent et démultiplient les arènes de négociation sans nécessairement réussir à accélérer l’action climatique. À l’aube de la COP30, organisée au Brésil, l’enjeu est de taille : sortir de la procrastination climatique. Les organisations de la société civile jouent un rôle crucial et bousculent de plus en plus les arènes onusiennes.


La trentième conférence des parties sur le climat (COP 30), présidée par le Brésil, a lieu à Belém, en Amazonie, en novembre 2025. Depuis 1995, ce rendez-vous annuel des États qui ont ratifié la Convention-Cadre des Nations unies sur les changements climatiques (CCNUCC) a produit seulement deux traités majeurs : le protocole de Kyoto et l’accord de Paris. Leur mise en œuvre, dont les effets positifs en termes de réduction des émissions de gaz à effet de serre tardent encore à pleinement se concrétiser, est révélatrice de la « procrastination » qui caractérise la gouvernance internationale de la lutte contre les changements climatiques.

Les engagements pris sont souvent recyclés d’une COP à l’autre et leur mise en œuvre est trop souvent repoussée aux calendes grecques. C’est par exemple le cas de l’engagement des pays développés, de financer à hauteur de 100 milliards de dollars par an, les pays en développement, dans le cadre du fonds vert pour le climat, créé lors de la COP 15 à Copenhague en 2009. Il a été recyclé lors des COP suivantes, sans pour autant être tenu. L’inertie s’explique par les intérêts divergents des États, regroupés au sein de coalitions hétérogènes.

Le monopole des États est toutefois bousculé par les organisations de la société civile (OSC). Que peuvent-elles pour l’action climatique ? Comment cette tension s’inscrit-elle dans le cadre de la COP30 à venir au Brésil ?

Une démultiplication des arènes officielles depuis 30 ans

Depuis la première COP en 1995, le paysage des négociations climatiques s’est complexifié : au format initial s’est ajoutée une deuxième arène avec l’entrée en vigueur du protocole de Kyoto (CMP) en 1997, puis une troisième avec l’accord de Paris (CMA) en 2015, chacune réunissant les États ayant ratifié ces accords.

Considéré comme un traité « expérimental », un « signal », ou une « impulsion » devant conduire à des engagements futurs plus ambitieux, le protocole de Kyoto n’a pas produit les résultats escomptés. Il reposait sur des engagements chiffrés de réduction des EGES des pays développés, avec des mécanismes de flexibilité, donc les échanges de quotas d’émissions. Mais en l’absence de ratification par les États-Unis, il n’a jamais pu être pleinement mis en application.




À lire aussi :
À quoi servent les COP ? Une brève histoire de la négociation climatique


En 2009, lors de la COP15, des négociations sont engagées pour un accord multilatéral de plus grande envergure pour l’après Kyoto. Celles-ci échouent du fait des tensions et des rivalités entre les États (confrontation entre l’Union européenne, les États-Unis et la Chine, marginalisation des pays en développement…).

L’accord de Paris, deuxième résultat majeur des COP, ouvre en 2015 une nouvelle approche. Les États, qu’ils soient développés ou en développement, doivent élaborer puis soumettre leurs Contributions nationales déterminées (CND). Autrement dit, des engagements et une feuille de route des actions qu’ils prévoient de mettre en œuvre pour lutter contre les changements climatiques à l’horizon 2030.

Chaque année depuis 2016, les COP, les CMP et les CMA ont lieu conjointement. Les CND ont fait l’objet d’un premier bilan en 2023. Il est prévu qu’elles soient examinées et rehaussées tous les 5 ans. Certains États en sont à la troisième version, pour des engagements à mettre en œuvre d’ici 2035.

Au fil du temps, le nombre d’arènes onusiennes relatives à la lutte contre le changement climatique s’est démultiplié, pour un succès tout relatif…
Conception : Moïse Tsayem Demaze, réalisation : Sébastien Angonnet, laboratoire ESO Le Mans, 2025, Fourni par l’auteur

Bien qu’ayant été ratifié par davantage d’États que le protocole de Kyoto, l’accord de Paris souffre du même écueil : il est non contraignant. Quant aux engagements pris par les États dans le cadre des CND, ils aboutiraient, en l’état, à une hausse de la température moyenne de l’ordre de 3,5 °C à l’horizon 2100, largement au-dessus de l’objectif de 1,5 °C.

Comme le protocole de Kyoto avant lui, l’accord n’a pas pris en compte la complexité de la gouvernance du monde, avec l’influence économique grandissante exercée notamment par les multinationales et par les pays émergents (donc la Chine et l’Inde), qui refaçonnent les relations commerciales internationales. La question environnementale a été progressivement reléguée à l’arrière-plan : l’imaginaire d’un grand régulateur central apte à définir et à distribuer des droits d’émissions semble de moins en moins en prise avec la réalité. Tout cela s’inscrit en réalité dans la reconfiguration des rapports géopolitiques internationaux, avec la montée en puissance du Sud global, et la crise latente du multilatéralisme.




À lire aussi :
Les traités environnementaux résisteront-ils à la crise du multilatéralisme ?


Dans le même temps, l’accord de Paris, tout comme le processus d’élaboration du texte des COP, tend à mettre les désaccords sous le tapis, puisque les décisions sont prises au consensus. Il en résulte des difficultés bien concrètes, notamment pour sortir des énergies fossiles.

Des coalitions d’États qui orientent les négociations

Au fil des ans, la COP s’est alourdie avec une multitude de coalitions d’États défendant des intérêts variés. Un clivage classique oppose généralement les pays développés aux pays en développement. Lors des dernières COP, l’ONU a recensé 14 coalitions d’États qui ont pris part aux négociations.

L’arène des COP : une hétérogénéité de groupes d’acteurs étatiques aux intérêts divergents.
Fourni par l’auteur

Beaucoup de ces coalitions sont constituées d’États du Sud (Afrique, Amérique du Sud, Asie) : groupe africain, Alliance bolivarienne des Amériques, Groupe des pays en développement partageant les mêmes idées, etc.). Pour faire entendre leurs positionnements ou leurs spécificités, et porter leur voix au sein des COP, les pays en développement ont multiplié les coalitions, parfois hétérogènes.

Plusieurs États sont ainsi membres de plusieurs coalitions à la fois, suivant leurs enjeux et intérêts par rapport aux changements climatiques et à leurs niveaux de développement économique et social. Par exemple, la Chine, l’Inde et le Brésil sont membres de quatre coalitions, les Comores sont membres de six coalitions, et le Soudan est membre de six coalitions.

Il existe ainsi plusieurs groupes attentifs à la question des financements climatiques en lien avec des sujets bien précis. Par exemple, les Petits États insulaires en développement, très attentifs à la problématique de la hausse du niveau de la mer, ou encore les pays de forêt tropicale humide, très attentifs à la lutte contre la déforestation.

On retrouve aussi des regroupements plus traditionnels, comme celui des pays les moins avancés

ou le G77+Chine. Le groupe parapluie (États-Unis, Australie, Canada, Nouvelle Zélande…) rassemble de son côté plusieurs États peu prompts à l’ambition climatique. Quelques États qui ont voulu se démarquer et garder une position neutre sont membres du groupe pour l’intégrité environnementale (Suisse, Corée du Sud, Mexique, etc.). L’Union européenne participe aux négociations en tant que groupe à part entière, même si chaque État membre participe parallèlement aux négociations en tant que Partie à la CNUCC.

Ces coalitions peuvent refléter les intérêts économiques des États vis-à-vis des énergies fossiles : le Groupe des États arabes, par exemple, réunit plusieurs membres de l’OPEP, qui ont davantage intérêt à maintenir le statu quo sur les énergies fossiles.

Les COP mises au défi par la société civile

Si les États sont au cœur des COP, ils ne sont pas pour autant les seuls acteurs. Les organisations de la société civile (OSC) ont pris une place considérable dans les négociations, soit aux côtés des États, soit en constituant leurs propres arènes, subsidiaires aux négociations officielles.

Ces OSC, très hétérogènes, sont organisées en groupes et réseaux d’une grande diversité. Des ONG peuvent ainsi être associées à des fondations humanitaires, à des think tanks, à des syndicats, à des églises, à des chercheurs, etc. C’est par exemple le cas de l’ONG 350.org, ou encore de l’ONG Climate Action Network.

Les OSC s’expriment non seulement à titre individuel, mais aussi à travers les réseaux qui les représentent ou les fédèrent, par exemple le Climate Action Network, ou le réseau Climate Justice Now. Certaines OSC et leurs réseaux organisent des off ou des side-events plus ou moins informels pour médiatiser et rendre visibles des sujets bien spécifiques ou des angles morts des négociations (la question des océans, celle des peuples autochtones, la compensation carbone, les énergies fossiles, etc.). Par exemple, l’ONG Climate Justice Alliance médiatise le renoncement aux énergies fossiles articulé, avec une transition énergétique juste portée par les communautés et les collectifs de citoyens, tandis que l’ONG Ocean Conservancy se positionne sur la question des océans. Quant à la Organización de los Pueblos Indígenas de la Amazonía, elle œuvre pour une meilleure prise en compte des peuples indigènes.

Hétérogénéité des organisations de la société civile constituant des arènes subsidiaires aux COP.
Fourni par l’auteur

Depuis 2015, on assiste à une évolution majeure, caractérisée par une multiplication des fronts de mobilisation, avec un foisonnement des actions par le bas, sur le terrain, ce qui décentre le regard par rapport à l’arène onusienne. Pour ces OSC, celle-ci n’est plus le point névralgique de la lutte contre les changements climatiques.

Une nouvelle vague d’OSC (Just Stop Oil, Friday for future, Extinction Rebellion…) entend mettre la pression sur des décideurs, sur des entreprises, généralement des acteurs « clés », en politisant et en radicalisant le débat, parfois sur la base des rapports du GIEC, soulignant ainsi l’importance de la prise en compte des travaux scientifiques.

Grace aux OSC, la justice climatique est devenue un sujet majeur qui reconfigure la lutte contre les changements climatiques. Parallèlement à ces actions (grèves pour le climat, blocages et sit in, etc.), d’autres OSC, plus anciennes et/ou plus structurées, judiciarisent la lutte contre les changements climatiques en portant plainte contre des États. C’est ce qui s’est passé par exemple en France, avec l’Affaire du Siècle, procédure judiciaire inédite engagée en 2018 contre l’État français, accusé d’inaction climatique, par quatre ONG (Notre Affaire à Tous, la Fondation pour la Nature et l’Homme, Greenpeace France et Oxfam France).




À lire aussi :
Justice climatique : la Cour internationale de justice pose un jalon historique


Qu’attendre de la COP30 au Brésil ?

Cette reconfiguration devrait une fois de plus être à l’œuvre durant la COP30, d’autant plus que celle-ci revêt plusieurs symboles : ce sera la première COP en Amazonie, le 20e anniversaire de l’entrée en vigueur du protocole de Kyoto et le 10e anniversaire de l’accord de Paris. Elle a lieu dans le pays hôte de l’adoption de la CCNUCC, un des traités fondateurs du développement durable, institué en 1992 lors du sommet de Rio de Janeiro sur l’environnement et le développement.

Les lettres de cadrage diffusées par le président de cette COP, nommé par le président du Brésil, donnent le ton. Comme pour les précédentes COP, le financement de l’action climatique des États en développement sera un enjeu majeur. Ces États, dans la dynamique géopolitique du Sud global, avec les pays émergents en tête desquels le Brésil, souligneront la nécessité d’alimenter et d’augmenter les fonds dédiés à leur participation à la lutte contre les changements climatiques, dans le respect des principes de la justice climatique.

Souhaitant que cette COP 30 soit la « COP amazonienne », le Brésil envisage que l’importance accordée aux forêts tropicales soit renforcée, avec une augmentation des financements et des investissements pour réduire la déforestation et la dégradation des forêts.

Déforestation par transformation de la forêt tropicale en espace agraire en Amazonie brésilienne (Benfica, Para).
M. Tsayem, 2003, Fourni par l’auteur

Le Brésil espère que cette COP soit celle du déclic – ou du tournant – pour la mise en œuvre des actions ambitieuses, innovantes et incluses. Le mutirão, c’est-à-dire l’effort collectif, dans un esprit de coopération associant toutes les parties prenantes (États, organisations internationales, collectivités locales, OSC, peuples indigènes, entreprises, citoyens, etc.), est prôné pour rehausser et réactiver l’action climatique dans une perspective globale.

The Conversation

Moïse Tsayem ne travaille pas, ne conseille pas, ne possède pas de parts, ne reçoit pas de fonds d’une organisation qui pourrait tirer profit de cet article, et n’a déclaré aucune autre affiliation que son organisme de recherche.

ref. De COP en COP, une géopolitique de la procrastination climatique – https://theconversation.com/de-cop-en-cop-une-geopolitique-de-la-procrastination-climatique-268952

Combien de temps une tique peut-elle vivre sans piquer un humain ?

Source: The Conversation – France in French (2) – By Claudio Lazzari, Professeur des Universités, Département de biologie animale et de génétique, Université de Tours

La tique est un acarien parasite bien connu pour se nourrir de sang (on dit qu’elle est hématophage) et pour transmettre des maladies, telles que la maladie de Lyme. Contrairement à une idée reçue, les tiques ne dépendent pas de l’être humain : elles piquent principalement des animaux sauvages et domestiques. La question devient alors : combien de temps peuvent-elles survivre sans se nourrir ?


Les scientifiques ont identifié environ 900 espèces de tiques, dont une quarantaine est présente en France. La durée d’existence d’une tique et les particularités de son cycle de vie varient beaucoup d’une espèce à l’autre.

La piqûre de la tique

Contrairement aux moustiques ou aux punaises qui mènent une vie libre et ne cherchent un hôte que lorsqu’ils ont besoin de sang, les tiques s’accrochent fermement à leur hôte pendant de longues périodes, parfois de plusieurs mois, durant lesquelles elles se nourrissent lentement et de façon continue.

L’attachement d’une tique à la peau d’un animal ou d’un humain est très ferme grâce à ses pièces buccales munies de crochets et à la sécrétion d’une substance qui la colle à la peau. De cette façon, la bouche de la tique reste en contact permanent avec une petite accumulation interne de sang produit par l’action de sa salive qui détruit des tissus et des vaisseaux capillaires de l’intérieur de la peau, ce qui lui assure un apport de nourriture permanent.

Un besoin de sang à chaque étape de sa vie

Une tique passe par quatre stades de développement :

  • œuf,
  • larve (6 pattes),
  • nymphe (8 pattes),
  • adulte.

Chaque étape, de la larve à l’adulte, nécessite du sang pour se développer et pour passer au stade suivant de même que pour survivre et se reproduire. Il s’agit d’organismes dits « hématophages obligés », car le sang des animaux constitue leur unique source de nutriments tout au long de leur vie.

Une fois qu’elle est prête à passer au stade suivant, ou lorsque la femelle a accumulé suffisamment d’œufs, la tique se détache pour muer ou pondre dans le sol. Ce cycle peut nécessiter, selon les espèces, un, deux ou trois hôtes différents que la tique parasitera au cours de sa vie.

La quantité d’œufs qu’une tique femelle peut produire avant de se détacher de l’hôte est énorme, grâce à son corps souple qui augmente de taille à mesure que les œufs s’accumulent par milliers à l’intérieur. Une petite tique à peine repérable devient ainsi une boule d’œufs et de sang de plus d’un ou deux centimètres lorsqu’elle est prête à pondre.

Certaines espèces montent à l’état de larve sur un hôte et ne le quittent qu’une fois adultes, au bout de quelques mois, au moment de la ponte des œufs et le cycle se répète de manière continue.

D’autres espèces passent leur première année de vie en tant que larve sur un rongeur, leur seconde année en tant que nymphe sur un herbivore de taille moyenne, comme un lapin, puis leur troisième année en tant qu’adulte sur une vache, pendant laquelle la femelle produit une quantité colossale d’œufs qu’elle laisse par terre avant de mourir.

Une question de santé humaine et animale

En France, la maladie de Lyme est principalement transmise par la tique dure Ixodes ricinus, qui est largement répandue sur le territoire hexagonal, à l’exception du pourtour méditerranéen et des régions en altitude. La même espèce peut transmettre d’autres maladies, comme l’encéphalite à tiques.

D’autres espèces de tiques aussi présentes en France transmettent également des maladies qui affectent l’homme, comme la fièvre boutonneuse méditerranéenne et le Tibola, qui sont causées par des bactéries du genre Rickettsia et transmises par des tiques comme Rhipicephalus sanguineus ou Dermacentor.

Les tiques impactent également la santé animale, car elles transmettent des micro-organismes pathogènes au bétail, comme les responsables de la piroplasmose et de l’anaplasmose bovine, provoquant des pertes économiques importantes dans les élevages et dans la production laitière.

La survie sans piquer

Les tiques ont la capacité remarquable de survivre longtemps sans se nourrir. Pour supporter le manque de nourriture, elles mettent en place diverses stratégies, comme ralentir leur métabolisme et ainsi leurs dépenses énergétiques, ou consommer leurs propres tissus, un processus appelé « autophagie ».

Selon plusieurs études scientifiques, à l’état de nymphe ou d’adulte, les tiques peuvent survivre plus d’un an sans se nourrir dans la litière (l’ensemble de feuilles mortes et débris végétaux en décomposition qui recouvrent le sol), si les conditions environnementales sont favorables, notamment une température basse et une humidité élevée. Comme tout organisme de taille relativement petite, les tiques sont particulièrement exposées à la perte d’eau corporelle par dessiccation. Elles possèdent néanmoins des mécanismes pour absorber de l’eau de l’air si l’humidité relative de l’environnement le permet, comme au moment de la rosée.

Le jeûne hors hôte se caractérise par un métabolisme lent avec de longs intervalles d’inactivité, ponctués par des déplacements courts afin d’augmenter l’absorption d’eau ou de rechercher une position permettant de détecter un hôte. Si la température et l’humidité relative restent adéquates, la survie dépend alors du maintien d’un équilibre délicat entre une utilisation judicieuse de l’énergie et le maintien de la teneur en eau du corps, car l’équilibre hydrique est probablement le facteur le plus critique.

Pour maximiser les possibilités de trouver un hôte, les tiques ont un comportement assez particulier, consistant à grimper sur une brindille à côté des corridors de passage d’animaux et restent longtemps accrochées avec les pattes étendues. Ce comportement, appelé « de quête », leur permet de détecter le passage d’un hôte et de monter sur lui.

Il est important de rappeler que les tiques ne préfèrent pas les humains comme hôtes. Elles s’attaquent naturellement aux mammifères sauvages (cerfs, rongeurs), aux oiseaux et aux animaux domestiques. Elles ne dépendent donc pas de l’homme pour survivre ou évoluer. Une tique peut très bien vivre toute sa vie sans jamais piquer un être humain, pourvu qu’elle trouve un autre hôte.

The Conversation

Claudio Lazzari ne travaille pas, ne conseille pas, ne possède pas de parts, ne reçoit pas de fonds d’une organisation qui pourrait tirer profit de cet article, et n’a déclaré aucune autre affiliation que son organisme de recherche.

ref. Combien de temps une tique peut-elle vivre sans piquer un humain ? – https://theconversation.com/combien-de-temps-une-tique-peut-elle-vivre-sans-piquer-un-humain-268802

Who gets SNAP benefits to buy groceries and what the government pays for the program – in 5 charts

Source: The Conversation – USA (2) – By Tracy Roof, Associate Professor of Political Science, University of Richmond

Some 42 million Americans rely on SNAP benefits to put food on the table. Robert Nickelsberg/Getty Images News

The Supplemental Nutrition Assistance Program has helped low-income Americans buy groceries for decades with few disruptions.

But on Nov. 1, 2025, the federal government halted the flow of funds to states to distribute as SNAP benefits. The Trump administration blames this unprecedented disruption on the federal government shutdown, which began a month earlier. Following multiple court orders, federal officials said they plan to distribute at least a portion of the US$8 billion that’s supposed to flow monthly to the states to cover the costs of the program’s benefits. On Nov. 6, another judge ordered the distribution of all SNAP funds that were due in November.

Although the program costs billions, the benefits that families and individuals can receive from it are modest. The most a person living on their own can get is $298 a month, but many people receive far less. The average benefit is an estimated $6.17 daily – which falls below some estimates of the minimum cost of eating a nutritious diet in the United States.

The Conversation U.S. asked Tracy Roof, a political scientist who has researched the history of government nutrition programs, to explain who SNAP helps, how enrollment varies from state to state and what the program costs to run.

How many Americans are enrolled in SNAP?

The number of people getting SNAP benefits soared during the Great Recession, a big downturn that began in December 2007 and had long-lasting effects on the economy.

Because of high unemployment and poverty rates, more people were eligible for SNAP during those years. Many states, eager to bring dollars into their economies from federally funded SNAP benefits, made unprecedented efforts to enroll eligible families. SNAP enrollment peaked in 2013 at roughly 15% of Americans. The number of the program’s participants fell as the economy recovered, but never returned to pre-recession levels because a greater share of eligible families continued to enroll in the program after the economic crisis than before.

When the COVID-19 pandemic upended the U.S. economy in 2020, the number of people with SNAP benefits soared again. President Donald Trump has blamed high enrollment in SNAP on the Biden administration “haphazardly” handing benefits “to anyone for the asking.”

That assertion is misleading. While the Biden White House increased benefits, it did not expand who was eligible for SNAP. In fact, President Joe Biden agreed to apply work requirements and time limits to more SNAP recipients. Moreover, states, not the federal government, are primarily responsible for determining eligibility and enrolling people in SNAP. The number of people who received SNAP benefits during Biden’s presidency never exceeded 43 million – the peak reached in September 2020 during the first Trump administration.

The number of people using SNAP benefits to buy groceries has not fallen substantially because the number of people in poverty and the cost of living, including what Americans pay for food, have both increased since 2020.

How much does the program cost the federal government?

In inflation-adjusted 2024 dollars, spending peaked at $128 billion in 2021 and fell to $100 billion in 2024 – nearing pre-pandemic levels.

The program’s spending had previously increased significantly during the Great Recession because SNAP enrollment rose and benefits were temporarily increased. Spending declined as the economy gradually recovered.

While the number of people on SNAP during the pandemic and its aftermath never reached the peak of the Great Recession, the level of spending did reach much higher levels. This was because of three steps taken to increase benefits by more sizable amounts than during the Great Recession.

  1. The Families First Act, which Trump signed into law in March 2020, offered “emergency allotments” that increased monthly benefits for many households receiving SNAP. Biden extended emergency benefits to all households enrolled in the program in April 2021, driving spending even higher. Budget legislation that Congress passed in December 2022 ended the emergency benefits in February 2023.

  2. Biden signed two pieces of legislation in 2021 that temporarily increased the maximum SNAP benefit by 15% through September 2021 – the height of the pandemic’s effects on the economy.

  3. The Biden administration adjusted the basis for calculating monthly benefits in October 2021, just as the temporary increase was expiring. That change permanently increased benefits.

Most households getting SNAP benefits include children and older people

Nearly 60% of Americans enrolled in SNAP are either children under 18 or adults who are 60 or older.

About 1 in 5 non-elderly adults with SNAP benefits have a disability.

Less than 10% of all the people receiving SNAP benefits are able-bodied adults without children who are between the ages of 19 and 49.

Around 55% of all families with children that receive SNAP benefits include at least one employed adult.

Enrollment ranges widely from state to state

In some states, 1 in 5 people receive SNAP benefits. In others, it’s 1 in 20.

The share of a state’s population getting SNAP is determined both by its poverty rate and its policies. Those policies can affect who is eligible and the share of eligible families and individuals who enroll in the program.

Of the 10 states with the highest percentage of people on SNAP, five are also in the top 10 for the percentage of the population in poverty: New Mexico, Louisiana, Oklahoma, West Virginia and Nevada.

According to 2022 data, nine of those 10 states have enrolled nearly all families who are eligible for SNAP benefits: New Mexico, Louisiana, Oregon, Oklahoma, West Virginia, Massachusetts, Nevada, Pennsylvania and Illinois.

States vary widely in terms of the percentage of eligible families who obtain SNAP benefits. In the bottom quarter of states, fewer than 81% of eligible residents in 2022 were getting benefits. The percentage in Arkansas was the lowest: 59%.

States with the highest enrollment numbers tend to make it easier for their residents to get SNAP benefits by minimizing red tape and engaging in more outreach to eligible families. They also adopt policies that allow some people to qualify for SNAP at higher incomes or with more assets.

Americans of all races and ethnic backgrounds rely on SNAP

A little over 35% of people who get SNAP benefits are white, more than any other racial or ethnic group. Around 26% are Black and 16% are Hispanic.

Although more white people are enrolled in SNAP, Census data shows that greater percentages of Black and Hispanic people get these benefits: 24.4% of Black people and 17.2% of Hispanic people compared with 9.7% of white people. This is because these groups are disproportionately poor.

Undocumented immigrants are not eligible for SNAP. Only 4.4% of SNAP recipients in the 2023 fiscal year were immigrants who were not citizens but legally present in the U.S., such as refugees.

The “big” tax-and-spending package Trump signed into law on July 4, 2025, however, ended SNAP eligibility for most of those immigrants.

The Conversation

Tracy Roof does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

ref. Who gets SNAP benefits to buy groceries and what the government pays for the program – in 5 charts – https://theconversation.com/who-gets-snap-benefits-to-buy-groceries-and-what-the-government-pays-for-the-program-in-5-charts-269032

Pennsylvania counties face tough choices on spending $2B opioid settlement funds

Source: The Conversation – USA – By Halie Kampman, Postdoctoral Scholar in the Department of Geography, Penn State

In Pennsylvania, local governments will decide which substance use programs to fund in their communities. Jeff Fusco/The Conversation U.S., CC BY-SA

In communities across Pennsylvania, local officials are deciding how to spend over US$2 billion dollars from the state’s opioid settlement agreements.

For many, the task is proving promising yet challenging – and raises questions about how to best navigate complex local needs.

Pennsylvania will receive the money over 18 years from lawsuits filed by state attorneys general against opioid manufacturers and distributors. About 70% of these funds will be distributed to county governments, with the remaining funds going to the state legislature and the groups that leveraged the lawsuits.

The amount provided to each county is proportional to the opioid-related harms experienced by the county. Each county government is responsible for developing its own funding strategy for substance use programs, which can focus on things such as prevention, treatment, recovery or harm reduction.

Our research team at Penn State interviewed 72 county officials, health professionals and service providers across six counties in Pennsylvania to understand their early experiences with these funds.

We summarized our findings in a recent article for the peer-reviewed Substance Abuse Treatment, Prevention, and Policy journal. We found that stakeholders view the settlement funds not simply as extra money but as an opportunity to heal – and to test how well local communities can make their own choices about spending.

‘Bags of money’ but limited guidance

Pennsylvania’s distribution strategy was designed to give local governments flexibility. A document called Exhibit E lists the ways that counties can spend the settlement money.

This collaborative document was written as part of the settlement to outline shared guidelines that apply to all the states receiving funds. It lists everything from the types of approved substance use treatments to what qualifies as prevention. In practice, Exhibit E provides diverse opportunities for spending but has also created widespread uncertainty among recipients about which strategies to prioritize.

Some interviewees felt overwhelmed by the logistics of their funding decisions. They understood that the general purpose of the money is to support communities harmed by opioid overprescription. But they lacked clarity on how much time they had to spend it, what the reporting requirements are, and what counts as an eligible activity. For example, some wanted to use the funds to pay administrators for new prevention programs, but administration isn’t included in Exhibit E.

As one local elected official in southeastern Pennsylvania put it, “There’s been a whole lot of stuff that we don’t know – more than we do know. And now we’re running with bags of money through the community and (we’re) not sure how we can spend it, or if we can spend it.”

Many county officials worried about spending the funds too slowly, or on activities that could end up being ineligible or ineffective. Service providers sometimes didn’t know who in their county had the authority to decide where the money went. While they may have wanted to provide recommendations or input, they were unsure how.

A chance to experiment and innovate

Even amid confusion, most of the people we interviewed saw the settlement funding as a unique opportunity.

Exhibit E’s broad guidelines allow for experimentation, and many expressed interest in supporting local needs and implementing projects that they had wanted for a long time. This included things like expanding peer recovery support programs or establishing family support services.

“The guidelines are so varied that it gives those local communities opportunities to look at the menu and find out from community members, ‘How can we help resolve this problem together?’” one local drug and alcohol department employee told us. “It’s a collaborative that really helps the community as a whole get well as a whole. I am a real believer in ‘It takes a village.’”

Several participants emphasized that the flexibility in Exhibit E creates room to revise plans as needs evolve or change. Counties can change their funding priorities each year to adapt.

Several counties have already started issuing small grants to grassroots organizations, recognizing that those closest to people harmed by the opioid crisis often know best what kinds of interventions might work.

One county employee involved in distributing funds in her county shared that her team was “willing to try anything, really, within the bounds.”

“And if it doesn’t work, we can back off,” she added. “But I feel like you don’t know until you try it.”

A moral responsibility to get it right

Although our study focused on policy implementation, participants often framed their responsibilities in moral terms.

Many said they felt a strong obligation to use the funds wisely, given the scale of loss their communities have endured. The Pennsylvania Department of Health reported 4,719 overdose deaths in the state in 2023, and 83% were opioid-related. That number dropped to 3,336 in 2024, mirroring national trends.

One elected official described the funds as “the only hope we can provide families that have lost loved ones to this crisis,” emphasizing that he felt a “real obligation” to make the funds count.

Others echoed that careful, transparent decision-making is part of a broader recovery effort. Beyond abiding by funding guidelines, they felt it was also important to be honest and transparent to community members.

“We don’t want to come out with ‘Pennsylvania wasted its money, or (this) county wasted its money,’” said an addictions researcher.

Still others cautioned that the settlement funds alone cannot repair the full scope of harms caused by the opioid crisis, warning against viewing the settlements as a cure-all.

“There’s not really a monetary value that you can put on these things,” a person who works in the substance use sector told us. “I’m glad that this money’s available, but ultimately for me … it’s a little too late. You know? All my friends are already dead.”

Read more of our stories about Philadelphia and Pennsylvania.

The Conversation

Glenn Sterner receives funding from the Pennsylvania Opioid Misuse and Addiction Abatement Trust, Pennsylvania Department of Drug and Alcohol Programs, Pennsylvania Department of Health, Independence Blue Cross Foundation, Montgomery County Government in Pennsylvania, the Substance Abuse and Mental Health Services Administration, National Institute of Justice, and National Science Foundation.

Brian King, Halie Kampman, Kristina P. Brant, and Maya Weinberg do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their academic appointment.

ref. Pennsylvania counties face tough choices on spending $2B opioid settlement funds – https://theconversation.com/pennsylvania-counties-face-tough-choices-on-spending-2b-opioid-settlement-funds-267725

Always watching: How ICE’s plan to monitor social media 24/7 threatens privacy and civic participation

Source: The Conversation – USA – By Nicole M. Bennett, Ph.D. Candidate in Geography and Assistant Director at the Center for Refugee Studies, Indiana University

ICE’s surveillance gaze is likely to sweep across millions of people’s social media posts. Westend61/Westend61 via Getty Images

When most people think about immigration enforcement, they picture border crossings and airport checkpoints. But the new front line may be your social media feed.

U.S. Immigration and Customs Enforcement has published a request for information for private-sector contractors to launch a round-the-clock social media monitoring program. The request states that private contractors will be paid to comb through “Facebook, Google+, LinkedIn, Pinterest, Tumblr, Instagram, VK, Flickr, Myspace, X (formerly Twitter), TikTok, Reddit, WhatsApp, YouTube, etc.,” turning public posts into enforcement leads that feed directly into ICE’s databases.

The request for information reads like something out of a cyber thriller: dozens of analysts working in shifts, strict deadlines measured in minutes, a tiered system of prioritizing high-risk individuals, and the latest software keeping constant watch.

I am a researcher who studies the intersection of data governance, digital technologies and the U.S. federal government. I believe that the ICE request for information also signals a concerning if logical next step in a longer trend, one that moves the U.S. border from the physical world into the digital.

A new structure of surveillance

ICE already searches social media using a service called SocialNet that monitors most major online platforms. The agency has also contracted with Zignal Labs for its AI-powered social media monitoring system.

The Customs and Border Protection agency also searches social media posts on the devices of some travelers at ports of entry, and the U.S. State Department reviews social media posts when foreigners seek visas to enter the United States.

ICE and other federal law enforcement agencies already search social media.

What would change isn’t only the scale of monitoring but its structure. Instead of government agents gathering evidence case by case, ICE is building a public-private surveillance loop that transforms everyday online activity into potential evidence.

Private contractors would be tasked with scraping publicly available data to collecting messages, including posts and other media and data. The contractors would be able to correlate those findings with data in commercial datasets from brokers such as LexisNexis Accurint and Thomson Reuters CLEAR along with government-owned databases. Analysts would be required to produce dossiers for ICE field offices within tight deadlines – sometimes just 30 minutes for a high-priority case.

Those files don’t exist in isolation. They feed directly into Palantir Technologies’ Investigative Case Management system, the digital backbone of modern immigration enforcement. There, this social media data would join a growing web of license plate scans, utility records, property data and biometrics, creating what is effectively a searchable portrait of a person’s life.

Who gets caught in the net?

Officially, ICE says its data collection would focus on people who are already linked to ongoing cases or potential threats. In practice, the net is far wider.

The danger here is that when one person is flagged, their friends, relatives, fellow organizers or any of their acquaintances can also become subjects of scrutiny. Previous contracts for facial recognition tools and location tracking have shown how easily these systems expand beyond their original scope. What starts as enforcement can turn into surveillance of entire communities.

What ICE says and what history shows

ICE frames the project as modernization: a way to identify a target’s location by identifying aliases and detecting patterns that traditional methods might miss. Planning documents say contractors cannot create fake profiles and must store all analysis on ICE servers.

But history suggests these kinds of guardrails often fail. Investigations have revealed how informal data-sharing between local police and federal agents allowed ICE to access systems it wasn’t authorized to use. The agency has repeatedly purchased massive datasets from brokers to sidestep warrant requirements. And despite a White House freeze on spyware procurement, ICE quietly revived a contract with Paragon’s Graphite tool, software reportedly capable of infiltrating encrypted apps such as WhatsApp and Signal.

Meanwhile, ICE’s vendor ecosystem keeps expanding: Clearview AI for face matching, ShadowDragon’s SocialNet for mapping networks, Babel Street’s location history service Locate X, and LexisNexis for looking up people. ICE is also purchasing tools from surveillance firm PenLink that combine location data with social media data. Together, these platforms make continuous, automated monitoring not only possible but routine.

ICE is purchasing an AI tool that correlates people’s locations with their social media posts.

Lessons from abroad

The United States isn’t alone in government monitoring of social media. In the United Kingdom, a new police unit tasked with scanning online discussions about immigration and civil unrest has drawn criticism for blurring the line between public safety and political policing.

Across the globe, spyware scandals have shown how lawful access tools that were initially justified for counterterrorism were later used against journalists and activists. Once these systems exist, mission creep, also known as function creep, becomes the rule rather than the exception.

The social cost of being watched

Around-the-clock surveillance doesn’t just gather information – it also changes behavior.

Research found that visits to Wikipedia articles on terrorism dropped sharply immediately after revelations about the National Security Agency’s global surveillance in June 2013.

For immigrants and activists, the stakes are higher. A post about a protest or a joke can be reinterpreted as “intelligence.” Knowing that federal contractors may be watching in real time encourages self-censorship and discourages civic participation. In this environment, the digital self, an identity composed of biometric markers, algorithmic classifications, risk scores and digital traces, becomes a risk that follows you across platforms and databases.

What’s new and why it matters now

What is genuinely new is the privatization of interpretation. ICE isn’t just collecting more data, it is outsourcing judgment to private contractors. Private analysts, aided by artificial intelligence, are likely to decide what online behavior signals danger and what doesn’t. That decision-making happens rapidly and across large numbers of people, for the most part beyond public oversight.

At the same time, the consolidation of data means social media content can now sit beside location and biometric information inside Palantir’s hub. Enforcement increasingly happens through data correlations, raising questions about due process.

ICE’s request for information is likely to evolve into a full procurement contract within months, and recent litigation from the League of Women Voters and the Electronic Privacy Information Center against the Department of Homeland Security suggests that the oversight is likely to lag far behind the technology. ICE’s plan to maintain permanent watch floors, open indoor spaces equipped with video and computer monitors, that are staffed 24 hours a day, 365 days a year signals that this likely isn’t a temporary experiment and instead is a new operational norm.

What accountability looks like

Transparency starts with public disclosure of the algorithms and scoring systems ICE uses. Advocacy groups such as the American Civil Liberties Union argue that law enforcement agencies should meet the same warrant standards online that they do in physical spaces. The Brennan Center for Justice and the ACLU argue that there should be independent oversight of surveillance systems for accuracy and bias. And several U.S. senators have introduced legislation to limit bulk purchases from data brokers.

Without checks like these, I believe that the boundary between border control and everyday life is likely to keep dissolving. As the digital border expands, it risks ensnaring anyone whose online presence becomes legible to the system.

The Conversation

Nicole M. Bennett is affiliated with the Center for Refugee Studies at Indiana University.

ref. Always watching: How ICE’s plan to monitor social media 24/7 threatens privacy and civic participation – https://theconversation.com/always-watching-how-ices-plan-to-monitor-social-media-24-7-threatens-privacy-and-civic-participation-268175

House speaker’s refusal to seat Arizona representative is supported by history and law

Source: The Conversation – USA – By Jennifer Selin, Associate Professor of Law, Arizona State University

The U.S. Capitol is seen on Nov, 5, 2025. Tom Brenner/Getty Images

Adelita Grijalva won a special election in Arizona on Sept. 23, 2025, becoming the newest member of Congress and the state’s first Latina representative.

Yet, despite the Arizona secretary of state’s formal certification of Grijalva, a Democrat, as the winner of that election, Rep.-elect Grijalva has not been sworn into office.

Republican House Speaker Mike Johnson, who by law is responsible for making that happen, claims the government shutdown means Grijalva must wait until the federal government resumes normal operations.

In response, Arizona Attorney General Kris Mayes filed a lawsuit on Oct. 21 alleging that Johnson has denied the state its representation in Congress.

No one disputes that Grijalva is the next member of the House of Representatives for the 7th District of Arizona. And the House hasn’t conducted business since Sept. 19, when Johnson gaveled it out of session.

So why does it matter whether Grijalva is sworn in now or later?

The lawsuit filed by Mayes claims Johnson is using his power to “strengthen his hand” in the ongoing budget battle that has shut down the federal government. Additionally, Grijalva has pledged to provide the last necessary signature to force a vote on a bipartisan measure demanding that the Trump administration release government files on convicted sex offender Jeffrey Epstein.

But as a law scholar who analyzes government institutions, I recognize that the speaker historically has had power to determine when the oath is administered. And courts have been reluctant to weigh in the speaker’s use of that power.

The speaker’s historical power

The framers of the Constitution were divided on whether to require members of Congress to take an oath of office. Representing a political compromise on the issue, the Constitution requires all Senate and House members to take an oath to support the Constitution before assuming office. But the framers left the substance and administration of the oath up to Congress.

Congress put the speaker of the House in charge of administering the oath to incoming House members and first specified its text in 1789. The Oath Act required members of Congress to “solemnly swear or affirm” support of the Constitution.

Historically, the speaker administered the oath to new House members state by state. This meant that each state’s newly elected representatives stood alone in front of Congress. However, in 1929, House Speaker Nicolas Longworth changed tradition so that all new members were sworn in at the same time.

A woman speaks in front of a podium.
Representative-elect Adelita Grijalva, D-Ariz., speaks at the Capitol in Washington on Oct. 15, 2025.
AP Photo/J. Scott Applewhite

Longworth did so after Oscar DePriest – the first African American to serve in Congress in the 20th century – won an election in Illinois to replace Rep. Martin B. Madden, who had died of a heart attack. Longworth acted in response to speculation that Southern Democrats would attempt to prevent a Black lawmaker from joining the House. Rather than swearing in members state by state, Longworth swore in all members at once so DePriest was not stopped from taking the oath of office.

Since that time, the speaker has administered the oath of office to all newly elected members of the House as a collective unit.

How things work now

Under current law, the speaker must administer the oath of office to all House members prior to them taking their seats.

Here’s how this has worked over the past few decades:

After the House elects a speaker, the member with the longest continuous service in the House – called the dean of the House – administers the oath to the speaker. Then the speaker administers the oath to the rest of the members all together as a mark of a new Congress.

The idea is that despite partisan differences, every legislator commits in front of the others to uphold the Constitution.

But occasionally, either because of illness, a special election or other circumstances, a newly elected member of Congress can’t take the oath with everyone else. When that happens, that person is sworn in at a later date.

On Sept. 9, 2025, for example, Democrat James Walkinshaw won a special election to succeed the late Gerry Connolly, who died in office while representing Virginia’s 11th congressional district. Johnson swore Walkinshaw in the next day.

While the speaker has the responsibility for administering the oath, the House may adopt a resolution to designate a judge or House member selected by the speaker to do the job for him.

In 1999, for example, Speaker Dennis Hastert designated retired California Judge Ellen Sickles James to administer the oath to Rep.-elect George Miller.

Regardless of who swears into office a member of Congress who could not attend the collective ceremony, the administration of the oath has traditionally occurred on days in which the House is session. But it does not have to be that way.

The law is ambiguous on when the oath is administered.

And House speakers have not always acted swiftly. In spring 2021, for instance, Speaker of the House Nancy Pelosi waited 25 days before administering the oath to Republican Rep.-elect Julia Letlow. That’s because the House did not have a session scheduled immediately following Letlow’s election.

Johnson has referred to this particular delay as the “Pelosi precedent,” setting a standard practice of the speaker waiting to administer the oath until Congress is in session.

A woman hugs another woman in a room full of people.
Rep.-elect Adelita Grijalva greets supporters on Nov. 1, 2025, in Tucson, Ariz.
Rebecca Noble/Getty Images

Why does it matter?

The delay in administering Grijalva the oath is the longest in modern history.

While Grijalva waits, she does not have access to the resources typically provided to members of the House to help them perform their jobs, including an operating budget for her offices or even the ability to log in to key databases.

This means Grijalva is limited in her ability to represent her over 800,000 constituents.

She describes her current situation as “having the title but none of the job.”

Grijalva, Arizona Attorney General Mayes and congressional Democrats accuse the speaker of playing politics. But history and the law suggest that may be Johnson’s prerogative until the government reopens.

The Conversation

Jennifer Selin does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their academic appointment.

ref. House speaker’s refusal to seat Arizona representative is supported by history and law – https://theconversation.com/house-speakers-refusal-to-seat-arizona-representative-is-supported-by-history-and-law-268455