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May 15, 2026

Iran is threatening undersea cables. The world’s ‘digital chokepoints’ have never been more vulnerable

Source: The Conversation – Global Perspectives – By Meredith Primrose Jones, Researcher, Oceania Cyber Security Centre, RMIT University

Early this week, Iranian state-linked media floated a plan to charge the operators of undersea internet cables in the Strait of Hormuz for access to what they say is Iran’s offshore territory.

The suggestion comes after Iranian warnings that several important cables in the strait were a vulnerable point for economies in the Middle East.

Iran’s comments expose an invisible foundation of the internet and globalisation itself: the web of more than 500 undersea cables that carries more than 95% of international data traffic.

We may think the internet lives in a kind of virtual cloud. But its physical underpinnings are vulnerable – and that vulnerability is becoming a very real geopolitical concern.

Gulfs, straits and cables

Several of the world’s most critical submarine cable routes run through the Middle East. Narrow sealanes through the Red Sea, Bab el-Mandeb Strait, Suez Canal, and the Strait of Hormuz also function as “digital chokepoints”.

These maritime corridors connect major economic centres in Europe, Asia and Africa. In 2024, submarine cable incidents in the Red Sea disrupted around 25% of the internet traffic between Europe and Asia.

The strategic importance of submarine cables is not lost on Iran. Damage to these cables, whether accidental or deliberate, would have significant consequences.

In the bigger picture, the message is unmistakable. Digital infrastructure can give states strategic leverage, but it’s also a potential target.

Digital infrastructure

Critical infrastructure used to mean oil pipelines, ports, or power grids. But data infrastructure has become just as important for national and economic security.

The core problem of undersea cables lies in the concentration of infrastructure. Many of the cables are bundled together along the same seabed routes and funnelled through a small number of maritime chokepoints.

This creates dangerous single points of failure. A cable cut – whether deliberate or accidental – can degrade connectivity across multiple regions simultaneously.

While cable breaks are not uncommon, repairs are difficult – especially in contested or militarised waters. Repair vessels require safe access, international coordination, and time.

Fragmentation and disruption

A serious submarine cable disruption could have profound consequences. One immediate effect would be the fragmentation of global connectivity. The ability to communicate with anyone anywhere that we now take for granted could take a significant hit.

Regions which depend heavily on vulnerable cable routes might experience degraded internet performance, communications blackouts, or financial instability. Countries with little backup infrastructure, particularly developing states across parts of Africa, the Middle East, and South Asia, would be disproportionately affected.

Financial markets too are vulnerable. Extremely fast and reliable data flows underpin high-frequency trading systems, global payment networks, and international banking transactions.

Even brief disruptions can make markets fluctuate rapidly, delay transactions, and make investors uncertain. Because so much of the global economy is so thoroughly interconnected, digital instability in one region can rapidly create worldwide financial shockwaves.

If cable disruptions coincided with conflict or instability along major maritime trade routes such as the Strait of Hormuz or the Suez Canal, insurance markets, shipping industries, and energy supply chains would also face increased uncertainty.

The military domain

The military and strategic consequences of cable disruption may prove even more serious. Armed forces rely on secure long-range communications and real-time coordination.

When you get down to it, everything from command-and-control systems to drone operations and logistics planning relies on undersea cables. Damage to these networks would make forces less effective, make it harder to coordinate with allies, and make miscalculations more likely.

Cable sabotage is not as clear-cut a provocation as a conventional attack on a military target. It’s hard to work out who did it – in cases such as cable breakages in the Baltic Sea often attributed to Russian action – and the legal situation is ambiguous. This ambiguity creates a risk that conflict will escalate, as states may struggle to determine whether disruptions are accidental, criminal, or acts of war.

The digital world has physical foundations

The US–Iran conflict has already delayed construction of new undersea cables. It also highlights a broader reality: the foundations of the digital world are real and concrete, and they are not invulnerable.

Any deliberate targeting or sabotage would not just be a local event. It would reverberate across global communications, economies, and security systems. The seabed has become a zone of geopolitical competition – and the consequences of disruption could affect the world’s stability for years to come.

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

– ref. Iran is threatening undersea cables. The world’s ‘digital chokepoints’ have never been more vulnerable – https://theconversation.com/iran-is-threatening-undersea-cables-the-worlds-digital-chokepoints-have-never-been-more-vulnerable-282425

May 15, 2026

We proved these ‘forever chemicals’ can last longer than three decades

Source: The Conversation – Global Perspectives – By Ian A. Wright, Associate Professor in Environmental Science, Western Sydney University

The fresh air, picturesque vistas and pristine bush of the Blue Mountains west of Sydney draw millions of visitors a year.

Unfortunately, the Blue Mountains are also the site of a controversial investigation into water contamination with “forever chemicals”, also called PFAS.

Our recent study investigated long-term PFAS contamination from two incidents, both involving petrol tanker crashes and fires. Both accidents occurred in drinking water catchments, and our study found contamination was present but undetected for 24 and 33 years, respectively. We have searched the international literature and could not find similar examples.

PFAS (Perfluoroalkyl and polyfluoroalkyl substances) are a broad category of thousands of synthetic chemicals used in numerous consumer and industry products. Exposure to PFAS is associated with a greater risk of several illnesses.

Our research shows how vulnerable drinking water supplies are to long-term PFAS contamination. It also shows how contamination can remain hidden due to an absence of PFAS monitoring.

Two historical accidents

The 1992 petrol tanker accident in the Blue Mountains at Medlow Bath caused PFAS contamination of the local drinking water supply. And 32 years later it forced the closure of two storage reservoirs.

Despite limited data, we identified the source of contamination as a type of foaming material used globally by firefighters to help extinguish burning fuel fires. This foaming substance was mixed with water using perfluorooctane sulfonate, a type of PFAS.

Firefighters used this substance to form a foam “blanket” and coat burning materials and extinguish liquid fires. The PFAS foams were used for decades before their harmful human health and environmental impacts were understood.

Nine years after the first petrol tanker accident, another fuel tanker crash and fire linked to PFAS contamination occurred in 2000, near Ourimbah on the NSW Central Coast. The fuel tanker was carrying 40,000 litres of fuel, and the crash and fire were triggered by a collision with a car. This resulted in the tragic death of two people.

Similar to the Medlow Bath accident, news footage showed water and foam were used to control the blaze. It also showed a foamy runoff draining from the accident.

Why are PFAS a problem?

PFAS, often called “forever chemicals”, are a broad category of thousands of synthetic chemicals. They are used in numerous products, such as non-stick cookware, stain-resistant fabrics, takeaway food packaging and even cosmetics.

PFAS molecules don’t easily break down, and readily accumulate in tissue of wildlife across the globe. Exposure to small amounts of PFAS sees the chemicals build up in the vital organs of animals and people. Analysis of human autopsy tissue revealed accumulation of PFAS in the brain, lungs, liver, kidney and bones.

In 2025, an Australian Bureau of Statistics report revealed nearly all Australians have PFAS chemicals accumulating in our bodies.

Should we be worried?

Exposure to PFAS is associated with a greater risk of several illnesses. These include decreased fertility, higher blood pressure, increased risk of cancer (particularly prostate, kidney and testicular cancers), liver disease, higher cholesterol and obesity.

One of the humans are likely to consume PFAS is through eating foods containing PFAS and in drinking water.

The Upper Blue Mountains water supply serves about 40,000 people, and operated by Sydney Water Corporation. It reported that one of the most hazardous forms of PFAS, PFOS, reached 16.4 nanograms per litre in the local drinking water on June 25 2024. This is double the safe amount, according to the recently revised Australian drinking water guidelines.

Discovery of PFAS triggered the closure of two drinking water reservoirs downstream of the Medlow Bath petrol tanker crash and fire. Although a lack of testing data creates uncertainty, it is likely PFAS contamination was undetected in the Blue Mountains drinking water supply for more than 30 years.

What our study showed

Our study showed contaminated creek water contained 2,000–2,400ng/L of PFOS in October 2025. This is 250–300 times the maximum safe concentration (less than 8ng/L) recommended by the Australian Drinking Water Guidelines.

The Blue Mountains contamination plume extended downstream into Greaves Creek, in the upper Blue Mountains. This creek is part of the UNESCO Blue Mountains World Heritage Area, where PFOS levels exceeded aquatic ecosystem guidelines by 100 times. The safe level of PFOS concentration for protection of freshwater species is 0.23ng/L.

As far as we know, the PFAS contamination identified in this study has not received any remediation to remove contaminated soil or water. Most PFAS contamination across Australia has occurred at sites where PFAS foam was used in repeated fire fighting training activities. Our work shows even single incidents involving PFAS can have long-lasting environmental impacts.

Ian A. Wright has received research funding from industry, local, NSW and Commonwealth Government. He has previously worked for the water industry (Sydney Water) as a scientist and catchment officer.

Amy-Marie Gilpin receives funding from the research and development corporation Hort Innovation.

Katherine Warwick receives funding from the water industry (Sydney Water), WIRES, local and state government bodies.

– ref. We proved these ‘forever chemicals’ can last longer than three decades – https://theconversation.com/we-proved-these-forever-chemicals-can-last-longer-than-three-decades-278425

May 14, 2026

What the 2026 World Cup means for measles risk in Vancouver

Source: The Conversation – Canada – By Jamie Voyles, Professor of Biology, University of Nevada, Reno

With less than five weeks until kickoff, and hundreds of thousands of visitors expected, Vancouver is preparing for the FIFA World Cup 2026 following British Columbia’s worst measles outbreak in years. Unlike Ontario, where public health officials released a detailed Hazard Identification and Risk Assessment flagging measles and other infectious diseases as risks at mass gatherings, B.C. has not yet provided comparable guidance.

Public health experts say preparation is critical for mass gatherings, particularly for contagious diseases such as measles. Vaccination rates in many parts of B.C. have fallen below the approximately 95 per cent coverage needed to prevent sustained transmission of measles, and last year’s outbreaks have exposed pockets of vulnerability.

In crowded settings such as FIFA World Cup venues, where visitors arrive from other provinces and countries with varying vaccination coverage, even a single imported case can spread rapidly beyond stadiums. That risk is not theoretical; past sporting events in Vancouver have shown how quickly measles can take hold.

Lessons from past international sporting events

The 2010 Winter Olympics in B.C. provides precedent. Following the Games, imported measles cases spread after the crowds dispersed.

In preparation, public health surveillance systems were in place, including daily health watch reports.

“At the time, what seemed like the biggest potential threat was actually the pandemic influenza H1N1 virus,” said Jennifer Gardy, PhD, deputy director of disease modelling at the Gates Foundation, who was a lead investigator at the B.C. Centre for Disease Control in 2010, by email.

But measles proved difficult to track, with officials relying largely on clinical case detection. “You had tens of thousands of people congregating indoors at event venues and then mixing with each other out in the community,” Gardy said.

The outbreak was not confirmed until the virus had spread beyond Olympic venues, infecting 82 people across Greater Vancouver as well as in the interior and northern regions of B.C.

Measles is uniquely risky at mass gatherings

Mass gatherings act as biological mixing bowls. The measles virus, one of the most contagious human viruses, can easily spread among unvaccinated individuals. When infected individuals return to schools, day cares and offices, transmission can amplify.

An illustration showing spread of measles from an individual to large number of affected people — The exponential growth potential of measles based on its Basic Reproduction Number (R_0).
(Qurrat Ul Ain), CC BY

The measles virus survives in airborne droplets and only a tiny trace of the virus can start an infection. These characteristics give it a high basic reproduction number (R₀, or “R naught”), referring to the number of people infected after exposure.

For measles, the R₀ ranges from 12 to 18 (whereas the common cold ranges from two to three). So even modest dips in vaccination rates for measles, mumps and rubella (MMR) — or uneven coverage across communities — means a single case can spread rapidly.

graph with red circles illustrating measles vaccine coverage and cases — MMR vaccine coverage and reported measles cases in British Columbia (2009–2026).
(Qurrat Ul Ain), CC BY

Outbreaks require both an introduction and low vaccination coverage, said Caroline Colijn, PhD, by email. Colijn is chair in mathematics for evolution, infection and public health at Simon Fraser University. She noted that some communities remain vulnerable even when overall coverage is high: “We may, in some communities, have low enough vaccination rates that there could be outbreaks.”

Is Vancouver prepared this time?

Sixteen years after the Winter Olympics, as the province prepares to welcome sports fans again, public health conditions have changed.

Immunization rates among B.C. school-age children have steadily fallen since at least 2016 and B.C. reported more than 400 measles cases in the past year, reflecting uneven vaccination coverage.

Yet the level of preparedness for the World Cup remains unclear.

The B.C. Centre for Disease Control has completed a provincial public health risk assessment with Vancouver Coastal Health and shared it with the host city, according to Dr. Mark Lysyshyn, deputy chief medical health officer for Vancouver Coastal Health, in email correspondence.

A spokesperson for the City of Vancouver Host Committee said a “Know Before You Go” campaign is planned, but the website does not currently include guidance on measles or other infectious diseases.

According to Dr. Lysyshyn, Vancouver Coastal Health will rely on current monitoring systems. It is unclear whether existing systems can detect threats quickly enough, and a recent assessment warns that Canada’s health-care system may lack the capacity to manage a surge in demand during the World Cup.

What ideal preparation looks like

Effective preparation embeds public health into event planning well before visitors arrive. The 2024 Paris Olympics reinforced medical networks, expanded multi-source surveillance and improved diagnostic testing capacity.

Preparation should also involve transparent risk communication and community engagement. Equally important is ongoing public communication and co-ordination to respond to emerging threats quickly and continuously after the event.

“Because measles can take from one to three weeks for symptoms to appear, the critical thing will be to continue monitoring cases well after the final Vancouver match,” said Gardy. “If an outbreak does occur, we might expect transmission to continue for weeks or even months after.”

The experience of the Vancouver 2010 Olympics suggests that even well-planned systems can miss early transmission, reminding us that pathogens do not respect closing ceremonies.

Jamie Voyles receives funding from U.S. National Science Foundation and National Institutes of Health.

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

– ref. What the 2026 World Cup means for measles risk in Vancouver – https://theconversation.com/what-the-2026-world-cup-means-for-measles-risk-in-vancouver-280806

May 14, 2026

Hantavirus: A cruise ship, a deer mouse, and the fictional line between human and animal health

Source: The Conversation – Canada – By Prativa Baral, Deputy Director, Pandemic and Emergency Readiness Lab, McGill University

In February 2025, the classical pianist Betsy Arakawa died in her New Mexico home from a virus most people had never heard of. Her husband, the actor Gene Hackman, died a week later of heart disease. The pathogen that killed her was hantavirus, almost certainly picked up from deer mouse droppings on the property.

Fourteen months later, 11 people on the Dutch cruise ship Hondius have been infected with a different hantavirus strain. Three have died, and passengers from more than 20 countries, including several Canadians, are being monitored across four continents.

This is not the next pandemic. But it is a stress test, and a reminder of something we keep relearning the hard way. When humans push into ecosystems they don’t normally inhabit, they are exposed to viruses. Ebola in West Africa in 2014 followed deforestation and closer contact with bats; by the time the outbreak began, more than 80 per cent of the surrounding forest had been cleared.

This hantavirus outbreak is a smaller, slower-moving version of the same lesson: the line between human health, animal health and the places we travel for pleasure is much smaller than we like to think.

A family of related viruses

Hantaviruses are not one virus but a family of related viruses, carried by different rodent species in different parts of the world. The strain found in Canada carried by deer mice, Sin Nombre virus, is the same one that killed Betsy Arakawa, and is behind the 168 Canadian cases of hantavirus pulmonary syndrome documented since 1994.

The strain on the Hondius is different. Andes virus, found in South America, is the only hantavirus known to spread between people, and through close, interpersonal contact. A New England Journal of Medicine study of a 2018 Andes outbreak reconstructed how a single zoonotic spillover from a rodent reservoir in Argentina produced 34 human cases and 11 deaths over three months, driven by three symptomatic super-spreaders at crowded social events.

A cruise ship, with confined cabins, shared dining rooms and recirculated air (“a floating petri dish”), is exactly the setting where a virus with limited contagion can find unexpected runway. The first confirmed case on board, likely the index case though not lab-confirmed, had spent four months on a birdwatching trip through South America before boarding, with possible exposure to rodents.

A small brown rodent on tree bark — The strain of hantavirus found in Canada, Sin Nombre virus, is carried by deer mice.
(Nick Green USGS/CERC)

Humans, animals and One Health

Though much of the focus has been to reassure people that this is not the next COVID-19, what this outbreak points to is a real-time One Health story, a framework that recognizes human, animal and environmental health as a single, interconnected system. Hantaviruses do not begin in hospitals or airports. They circulate in animal reservoirs whose ranges are shaped by climate, land use and human encroachment.

Deer mouse populations in North America boomed roughly tenfold following the wet, warm El Niño winter of 1991–1992, triggering the 1993 hantavirus outbreak. The ecology of Andes virus in Patagonia is itself shifting: modelling work suggests the long-tailed rodent that carries the virus may see its range contract and move eastward under continued warming and drying, redistributing rather than eliminating spillover risk.

The same dynamic plays out elsewhere: in Southeast Asia for example, rodent trade networks, deforestation and intensifying agriculture continually create new interfaces between people and pathogens. And these same forces are reshaping disease risk closer to home: Lyme disease has been creeping steadily north into Ontario and Québec as warming winters expand the range of the black-legged tick. The mosquitoes that carry dengue, Zika and chikungunya are doing the same across Europe and North America. Old pathogens now have more opportunities to expand, and interact with humankind.

All of this is being amplified by how we now travel. Antarctic and expedition bookings are up 34 per cent year-on-year. Last-chance tourism into fragile and isolated ecosystems, wildlife photography in remote habitats, cruises that promise experiences into uninhabited shores: this is a growing category of travel despite being potential One Health exposures.

Response in a post-COVID world

The response to this outbreak also revealed how brittle our systems remain. A passenger died on April 11. Hantavirus was not identified until May 2, three weeks during which the ship continued its route, calling at multiple ports.

The World Health Organization’s (WHO) own 2016 handbook for managing public health events on board ships calls for an “all-hazards” precautionary approach when a cause cannot be identified. It was not applied. When the ship later approached land, Cape Verde was deemed unable to handle the emergency, and Spain ultimately accepted it citing a moral obligation.

The International Health Regulations, the legal scaffolding for events like this, give the WHO almost no authority to enforce them. Co-operation runs on goodwill, which is quite thin when an infected vessel needs a port. Meanwhile, social media filled gaps with conspiracy theories about engineered pathogens and “scripted pandemics,” a familiar pattern in which public anxiety fuelled by uncertainty becomes a vector of its own.

What it means for Canadians

For Canadians, the practical message is unchanged. Ventilate closed spaces before entering. Wet contaminated surfaces before cleaning. Never dry-sweep rodent droppings.

But there is a deeper lesson here. Betsy Arakawa died from a deer mouse in her own home. Passengers on the Hondius may have been infected by rodents in a Patagonian dump (investigators are still working it out). But what connects these stories is a world where the boundaries between human health, animal health, climate and travel are largely fictional, and shrinking further every year.

Ultimately, this is a stress-test for us. We have learned from past crises, and our response is faster and more co-ordinated than it would have been a decade ago. But the Hondius shows us how much further we have to go: for stronger international agreements that share information in real time, for the 2025 WHO Pandemic Agreement to actually function, and for better spillover monitoring that catches the “big one” early.

Dr. Prativa Baral is the Deputy Director of the Pandemic and Emergency Readiness Lab, which has received funding from the John Arsenault Trust. She has previously received funding from the Canadian Institutes of Health Research.

Dr. Joanne Liu is the director of Pandemic and Emergency readiness lab which have received funds from John Arsenault Trust.

Dr. Veasna Duong is affiliated with McGill University, Canada and Institut Pasteur du Cambodge, Cambodia.

– ref. Hantavirus: A cruise ship, a deer mouse, and the fictional line between human and animal health – https://theconversation.com/hantavirus-a-cruise-ship-a-deer-mouse-and-the-fictional-line-between-human-and-animal-health-282958

May 14, 2026

Who are the main contenders to replace Keir Starmer as prime minister?

Source: The Conversation – Global Perspectives – By Charles Lees, Executive Dean, City St George’s, University of London

It has become a given in Westminster circles that Keir Starmer’s tenure as prime minister could be nearing its end. This is because, fairly or unfairly, the UK public have made up their minds – and they do not like him.

Labour MPs know this all too well, having seen the level of animosity on the doorstep during recent election campaigns in England, Wales and Scotland. They just didn’t immediately know what to do about it. But then Wes Streeting quit as health secretary, criticising Starmer in his resignation letter for what he said was a “vacuum” where political vision was required.

Recent UK history is full of precedents when prime ministers found their position untenable. For the Conservatives, Theresa May, Boris Johnson and Liz Truss were all removed eventually. But such a course of action comes with costs: to party unity, to market sentiment, and in terms of how the voters view political shenanigans.

This is why, until now, the more thoughtful voices in the Labour party either kept their counsel or argued for caution. But a significant number of Labour MPs believe that a change at the top is now inevitable.

Streeting, Rayner or Burnham

From the right of the party, Streeting, the combative former health secretary, is the key figure to challenge Starmer. But he still requires the backing of at least 81 fellow Labour MPs.

A Streeting bid for the leadership would be supported by much of the media, but what many regard as his lukewarm re-tread of old Blairite orthodoxies would limit his appeal with the party membership. And members play a significant role in leadership contests.

By contrast, a likely candidate of the so-called “soft left”, former deputy prime minister Angela Rayner, has now cleared up her tax affairs and is more popular with the party rank-and-file. But she would alienate much of the London commentariat.

What neither Streeting nor Rayner possess is genuine cut-through with the wider British public. And this is where the current mayor of Greater Manchester, Andy Burnham, comes in. Burnham does not have a parliamentary seat and, although he intends to contest the Makerfield constituency made vacant by Josh Simons’ decision to step aside, it is not guaranteed that he will win. Given Labour’s current unpopularity, the party cannot assume it would win a by-election anywhere.

And even if Burnham did scale that hurdle, there is a real danger that his replacement as the Labour candidate for the mayoralty would lose to Reform UK. This would allow party opponents to portray Burnham’s move as an indulgence at the expense of the party.

Nevertheless, if the political stars were to align and Burnham navigates his passage back to Westminster in time for a leadership challenge, he would be a formidable opponent. Burnham not only outpolls his main rivals among Labour members, he also enjoys rare net approval ratings with the public (+6, compared with -12 for Rayner and -20 for Streeting). Labour MPs will be paying particular attention to those numbers.

There is strong reason to believe that Rayner will have a crucial role in how this plays out. This could either be by standing for leader herself or through working with Burnham. Either way, she is in an incredibly influential position.

And what would Labour and the country look like under new leadership? The revolving door at the top partly reflects the extent of the challenges (economic, political, cultural) that the country faces. Voters have not seen rises in their real living standards for two decades, are truly angry and deeply polarised.

The UK is divided on how to go forward, and so is the Labour Party. That is why potential challengers to Starmer really should be careful what they wish for. Much of the political instability of recent years is down to the collective obsession with politics as a short-term and personality-based kind of show business.

But this ignores the more worrying long-term developments in financial markets that indicate that there is no faith in the UK’s ability to tackle its structural problems any time soon. The eventual winner of Labour’s leadership drama may inherit the throne just as money markets’ patience with the UK runs out.

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

– ref. Who are the main contenders to replace Keir Starmer as prime minister? – https://theconversation.com/who-are-the-main-contenders-to-replace-keir-starmer-as-prime-minister-282880

May 14, 2026

Who shops at farmers markets in the US?

Source: The Conversation – USA (2) – By Bret R. Shaw, Professor of Life Sciences Communication, University of Wisconsin-Madison

People who shop at the more than 8,700 farmers markets operating in the U.S. either year-round or seasonally generally fall into six distinct groups. Three of them are more interested in farmers markets than the others. I study local food systems as a strategic communications scholar, and that’s the main takeaway from a study that I conducted with several colleagues.

As we explained in the March 2026 edition of British Food Journal, people who fall into those groups have different levels of interest in farmers markets but also have some things in common. Most people who shop at them are motivated to go because they want healthy, fresh food, they support local farmers and they think going to the farmers market is fun.

This is not a niche activity. An earlier study I worked on found that 81% of U.S. adults said that they shop at a farmers market at least once a year.

For both studies, we pulled survey data from a nationally representative sample of 5,141 U.S. consumers that was conducted Aug. 2-11, 2023. It had a margin of error of plus or minus 1.8 percentage points.

Researchers define farmers markets and local food in different ways. So we asked respondents to simply think of farmers markets as places where they can buy food directly from more than one vendor and where all or most of the items are locally grown, raised or made. We defined local food as being grown in their state or 250 miles or less from their homes.

Highly engaged, health-focused and emerging interest

We determined that about 18% of those surveyed are “highly engaged” farmers market shoppers. They care a lot about food and enjoy buying, preparing and eating fresh food. They are excited about many aspects of farmers markets, which are places where this group shops for a variety of reasons, such as supporting local farmers, buying nutritious, delicious food and connecting with community.

Nearly 65% of these shoppers were women. This group was the most diverse, with 27% of respondents identifying as Hispanic, 20% Black and 4% multiracial. They also had significantly lower average annual household incomes than other groups, averaging US$40,000-$50,000.

We found that another 18% of the people surveyed were “health-focused.” Like the highly engaged shoppers, they make buying and eating healthy food a high priority. However, this group doesn’t enjoy cooking as much. The health-focused group tends to avoid genetically modified foods, as well as convenient options like takeout food, frozen dinners and microwave-ready meals.

About 58% of them were women and their average age was 57, making them the oldest of the groups. Roughly 70% of the health-focused group was white, making it less diverse than the highly engaged group but more diverse than some of the other groups.

Finally, about 19% of the respondents were what we called “emerging interest” farmers market shoppers. They value convenience and learning about food. This group was the most likely to see going to the farmers market as a fun activity.

Emerging interest shoppers were nearly evenly split by gender, with 52% women. Their average age was 44 years old, making them the youngest of the groups.

People buy vegetables from a farmers market vendor — It’s not always a love of radishes that draws shoppers to these stalls.
Lev Radin/Pacific Press/LightRocket via Getty Images

Convenience, practicality and happenstance

We also identified three groups of consumers who were less interested in farmers markets than the highly engaged, health-focused and emerging interest shoppers, even if some of them do occasionally shop at the markets anyway.

About 16% of farmers market shoppers are people we identified as “convenience” shoppers. They are more likely to eat frozen dinners and buy takeout. They rarely cook meals from scratch using produce and other fresh ingredients.

About 43% of them say they never or rarely shop at a farmers market. Around 59% of them are men and 37% are people of color.

A vendor sells prepared foods at a market stall. — Tashana Small sells mac and cheese ‘cupcakes’ topped with pulled pork, Buffalo chicken tenders and Cajun shrimp at a farmers market on Long Island in 2023.
Erica Marcus/Newsday RM via Getty Images

Roughly 17% of these shoppers fall into a “practical” category. They methodically plan their grocery shopping and are among the least interested in farmers markets, with more than half saying that they either rarely or never shop at them.

Practical consumers were close to evenly split by gender; 53% were women. Their income tended to be the highest of the groups, typically in the $60,000-$75,000 range.

We called the 12% of the shoppers in the final group we surveyed “uninvolved.” This group showed very little interest in farmers markets or any other food-related activities. About 3 in 4 rarely or never go to farmers markets. Nearly 70% of uninvolved farmers market shoppers were men and 76% were white.

When someone in the uninvolved group goes to a farmers market, they may be going out of happenstance or because someone in their life wants them to go – not due to any personal interest.

If you forget, you’ll miss it

We believe this information could help farmers markets better serve their customers and perhaps attract more shoppers.

People can, of course, go to farmers markets for more than one reason, and not everybody fits neatly into one of these categories. And everyone we surveyed had something in common: Forgetting to go was the biggest reason shoppers of all kinds didn’t make a trip to the farmers market in a given week.

Bret Shaw’s work tied to this article was supported by the U.S. Department of Agriculture National Institute of Food and Agriculture (USDA NIFA, award no. 2023-68006-38984).

– ref. Who shops at farmers markets in the US? – https://theconversation.com/who-shops-at-farmers-markets-in-the-us-279922

May 14, 2026

This year’s Venice Biennale marks a major shift in European cultural politics

Source: The Conversation – UK – By Clare Carolin, Senior Lecturer, Art and Public Engagement, King’s College London

I was texting a museum director friend in Asia recently. We were discussing whether a trip to this year’s “artworld Olympics”, the Venice Biennale, justified the carbon release.

I felt ambivalent. The main exhibition is curated by Koyo Kouoh, whose 2016 edition of Ireland’s Biennale, EVA International, on the 1916 Easter Rising centennial I had admired. Kouoh died of cancer earlier this year. Her posthumously realised Venice Biennale, titled In Minor Keys, seemed a final opportunity to appreciate the subtle, intelligent work of Africa’s leading curator.

Against the lure of Kouoh’s exhibition, though, was a queasy realisation that the Biennale seemed to be ideologically backsliding. Russia and Israel, both accused of war crimes, were controversially participating.

Alongside the huge guest-curated show of contemporary art, the Biennale invites countries to present exhibitions they curate themselves in national pavilions in the Giardini di Biennale and citywide venues. Following Putin’s full-scale invasion of Ukraine in 2022, Russia was excluded, its pavilion remaining shuttered throughout the 59th and 60th editions. But last year Giorgia Meloni’s government appointed rightwing ideologue Pietro Buttafuoco as Biennale director.

Buttafuoco revoked Russia’s exclusion. He also facilitated the relocation of Israel’s exhibition from its usual Giardini pavilion to a high security cul-de-sac in the Biennale’s second official venue, the massive Arsenale.

“This biennale seems cursed,” texted my friend. Despite feeling hypocritical about the environmental burden, I booked a flight to Venice.

Angry protests and violent reprisals

In the weeks leading up to the exhibition, my friend’s suggestion looked increasingly on point. A complicated choreography of war, state violence and activism began to play out. They culminated during the Bienniale preview in angry protests and violent reprisals.

The Art Not Genocide Alliance (ANGA) gathered 236 curators, artists and art workers to campaign for Israel’s exclusion and improved conditions for cultural workers.

When Kouoh’s international jury refused to consider Israel and Russia for the Biennale’s prestigious Golden Lion awards, artist Belu-Simion Fainaru, who was representing Israel, threatened them with legal action, according to the Italian news agency Adnkronos and arts publication Hyperallergic. The jury resigned. Their subsequent silence has not been explained.

Relieved of the professional all-female expert jury that Kuouh appointed, Buttafuoco instated a Eurovision-style audience prize. At the time of writing, over 70 artists have withdrawn from the awards in protest.

Like an artwork, a curse is a performative utterance at the nexus of ritual symbolism and magic. People like to believe that art, unlike curses, is a force for good. But as I argue in my book The Deployment of Art, there is a long history of state co-option of art and artists in the service of malign agendas of state violence. To me, The 61st Biennale seems one such example.

In a statement on the Biennale website, Buttafuoco amplifies the spiritual dimensions of Kouoh’s vision. “It is an exhibition permeated with spirit, with a sacredness that puts the person, the human being, back at the heart of things … looking to the sky once more.”

Much art in the main exhibition is hard to square with such whimsy. Pio Abad’s precise critical drawings of everyday objects of imperial plunder, like houseplants and chocolate, alongside stolen Benin bronzes. Walid Raad’s series of found photographs of beds slept in by Palestine Liberation Organization leader Yasser Arafat. Joana Hadjithomas and Khalil Joreige’s extraordinary sculptural excavation of the lost ancient city of Orthosia, hidden beneath a buried refugee camp in southern Lebanon.

But other works better serve Buttafuoco’s vague, obfuscating narratives of “sacredness” and “spirituality”.

In the Arsenale, an uprooted olive tree that recalls images of the desecration of Palestinian olive groves rotates on a plinth to the perverse accompaniment of tinkly ballerina music. This work by Theo Eshetu is titled Garden of the Broken Hearted, but the accompanying label doesn’t explain why the tree was uprooted, or from where, only that it “stands as a poetic reflection of impermanence”.

Alfredo Jaar’s “shrine” to base materials, a thrumming scarlet cathedral titled The End of the World meanwhile, so overwhelms the senses that I felt faint. I later saw a young woman collapsed outside it, attended by paramedics. Numerous other works draw on ritual traditions and spiritual practices from “the powerhouse of Africa” (Buttofuocco’s term).

Police presence was pervasive throughout the previews. Armed, helmeted officers held a line around Pussy Riot’s demonstration at the Russian pavilion, where protesters released blue, yellow and pink smoke canisters chanting “bloody Russian art” and “curated by Putin, corpses included”.

On the final preview day, as many pavilions closed early in strike protest, police stomped through the Giardini in heavily armed groups ten or 20 strong. At 4.30pm a peaceful crowd of ANGA protesters, many with young children in pushchairs or carried on shoulders, marched from the Giardini to the Arsenale where riot police used batons to beat them back. Surveillance helicopters hovered over the city until long after midnight.

Visions of hell

When future art historians study the 61st Biennale, they may notice a poster slogan from the ANGA protest: “Palestine is the Future of the World.” Meanwhile, visitors would do well to venture beyond the Giardini and Arsenale to an unofficial collateral exhibition organised by the Museo Moderno Buenos Aires.

Taking its title from John Milton’s description of hell, Darkness Visible: The Long Shadow of the Dictatorship brings together a trans-generational group of artists. Their work has been shaped by a regime of state terror (1976-83) that implemented a systemic policy of kidnappings, torture, murder and the forced disappearance of thousands.

Darkness Visible positions art as a vehicle for understanding history, protecting memory and human rights, and engaging in activism against state violence. One photograph by Marcelo Brodsky documents a demonstration by the Madres de Plaza de Mayo demanding information about their forcibly disappeared children. Brodsky’s mother (whose son was disappeared) appears in the image holding a banner that draws connections between second world war concentration camps in Warsaw and ESMA, a clandestine torture and extermination centre used by the Argentinian junta during the dictatorship.

As I contemplated this image, the exhibition’s curator Victoria Noorthoorn explained: “We wanted to present this show in Venice now because our Argentinian artists have much to say about fear, violence, pain and trauma that remain as scars from Argentina’s repressive regime. Their work reminds us of the need to protect core values: human and civic rights, democracy, freedom of expression and artistic creation.”

The protests I witnessed in Venice were marked by real anger, solidarity but also moments of tenderness and joy. A hopeful sign of how art and artists might imaginatively reinvent future biennales, undo the cursed present and lead us away from the darkness closing in.

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

– ref. This year’s Venice Biennale marks a major shift in European cultural politics – https://theconversation.com/this-years-venice-biennale-marks-a-major-shift-in-european-cultural-politics-282833

May 14, 2026

Heatwaves are now everyday disasters – governments need to do more to protect people

Source: The Conversation – UK – By Shiv Yucel, DPhil Candidate in Geography and the Environment, University of Oxford

Heatwaves are a growing global threat to human health, wellbeing and livelihoods.

Across 12 major European cities during the summer of 2025, a ten-day period of extreme heat led to 2,300 deaths – 1,500 of them were attributed to climate change amplifying temperatures by 1-4°C. Heatwaves were responsible for nearly half a million global deaths every year from from 2000 to 2019.

In addition to their health risks, European heatwaves in 2025 contributed to regional glaciers melting and wildfires hitting the largest area on record, according to a new report.

And it’s not just Europe, globally 2025 was ranked as one of three hottest years on record. Heatwaves are not going away: even after emissions targets are met, heatwaves will not return to pre-industrial levels for at least 1,000 years.

Governments across at least 47 countries have implemented heat action plans, such as the United Kingdom’s adverse weather and health plan and city-level plans across India.

These plans typically include early-warning systems, coordination between health and social authorities, and public messaging urging people to stay cool. People can try to implement a variety of measures, including staying in a cool environment, avoiding strenuous activity, drinking more water and wearing lighter clothes. These are theoretically simple steps, which is why heatwave deaths are so often called needless and preventable. But the realities of everyday life make adaptation far more complicated.

How people stay cool is closely tied to existing social inequalities, making heatwaves a nuisance for some and a catastrophe for others. Older people, for instance, have reduced abilities to regulate body temperatures, are more likely to have underlying health conditions that amplify risks and may lack networks of social support during disasters. Income divides create other risk factors such as who owns air conditioning and who can afford to run it. Other factors include who can work in a cool office or work from home, versus those doing outdoor or manual labour in the heat.

Unlike hurricanes or wildfires, which force widespread evacuations, life generally does not stop when heatwaves occur. People are forced to adapt while also meeting their ongoing daily obligations. Government advice might be to stay cool during the hottest part of the day which could be in conflict with a person’s rigid workplace schedule.

There are no maximum safe working temperatures in the UK, for instance. Staying at home can be the safest option if you have air conditioning. Yet during the catastrophic 2021 Pacific Northwest heatwave in the US and Canada, the vast majority of deaths in British Columbia happened in people’s own overheated homes, where there was inadequate air conditioning or fans.

A graph showing data from the Global Climate Highlights 2025 report. — Data from the Global Climate Highlights 2025 report.
ECMWF/EU, CC BY-ND

How are people coping?

Recent research examines how people adapt their daily activities when dangerous summer heatwaves occur. Using mobile phone location data across seven countries – Brazil, China, France, India, Nigeria, Turkey and the United States – the study shows that people around the world are changing their daily lives to stay cool, ranging from leisure activities to work obligations.

These adaptations vary widely and reflect existing inequalities. People tend to withdraw into their homes during heatwaves, regardless of whether their country has widespread air conditioning or existing heat plans. In some places, people visit workplaces less (notably in France), though not everyone can afford to do so.

In others, people cut back on food shopping or going to the pharmacy as temperatures rise, essential for maintaining households and health (as the research shows has happened during heatwaves in the United States). Places for shopping and recreation – which may have air conditioning – as well as parks may serve as important refuges for those who cannot cool down at home.

Staying cool requires more than awareness and good decision-making – structural barriers, such as having to stay at work during high heat, severely limit people’s access to cooling.

Our research highlights that governments also need to pay closer attention to the space and time constraints people face, and policy efforts should grant people the flexibility to follow their advice. Research on Mexico, for example, found that those aged 18 to 35 were disproportionately likely to die from extreme heat, despite being physiologically less vulnerable than older people. This may be attributed to greater rates of outdoor work with little flexibility to use cooler spaces.

Setting maximum safe working temperatures, relative to local extremes, or allowances for flexible working hours could limit occupational health risks. Both could give workers the choice of where to spend the hottest hours of the day. There is already a precedent for climate-related leave. Spain introduced paid leave following the 2024 Valencia floods. But flexibility alone is not enough if people have nowhere to go nearby that is cool.

Governments need to focus on making accessible cool spaces available, especially in areas with low air conditioning ownership and in dense urban neighbourhoods. This means opening libraries, community centres and other public buildings as cooling centres, with extended hours and access to water. These provisions are currently absent from the UK’s heat plan, for example. Even as home air conditioning ownership rises, these investments in cool public spaces will remain essential. Air conditioning uptake will be limited by income, leaving many people in a continued state of cooling poverty.

Heatwaves are no longer a distant or occasional threat. They are a recurring feature of modern life in many places that are not used to experiencing them. Alongside early warning systems, public messaging and longer-term measures such as urban greening to reduce temperatures, governments need to do far more to help people stay cool when extreme temperatures hit.

Shiv Yucel receives funding from Social Sciences and Humanities Research Council of Canada, and the Canadian Centennial Scholarship Fund.

– ref. Heatwaves are now everyday disasters – governments need to do more to protect people – https://theconversation.com/heatwaves-are-now-everyday-disasters-governments-need-to-do-more-to-protect-people-281944

May 14, 2026

How not to say you’re sorry: Why governments keep getting apologies wrong

Source: The Conversation – Canada – By Reza Hasmath, Professor in Political Science, University of Alberta

In December 2025, the parliament of Victoria — Australia’s second-most populous state — delivered a formal apology to First Peoples for laws and policies that “took land, removed children, broke families, and tried to erase culture.”

The motion, introduced by Premier Jacinta Allan as a milestone in Victoria’s ongoing treaty process, passed by a vote of 56-27. The opposition coalition voted against it and has pledged to repeal the underlying treaty legislation within 100 days if it wins November’s state election.

The apology was barely out of the premier’s mouth before its credibility was contested.

For Canadians watching from a distance, the parallels are hard to miss. And the pattern is the point: across democracies, the cost of apologizing badly can exceed the cost of staying silent.

The apology paradox

In my research on government apologies, the explanation is psychological as much as political. Governments apologize to restore their own trustworthiness, but apologies only succeed when they focus squarely on rehumanizing victims.

That inversion is the apology paradox, and it has practical implications for whether reconciliation is successful.

The canonical case is Willy Brandt’s 1970 Kniefall, when the West German chancellor unexpectedly knelt before the Warsaw Ghetto memorial. The silent gesture is still remembered 55 years on, long after Germany’s formal verbal apologies have faded. It was well-received because Brandt absorbed a political cost without trying to extract a benefit.

Analyses on political apologies have found effective apologies function as a costly signal: when governments sacrifice something tangible, such as political capital, money or policy commitments, victimized communities see genuine contrition.

Other research identifies four ingredients of a complete apology: acknowledging the wrong, accepting responsibility, expressing remorse and committing to concrete reparations. Most government apologies fail that test.

Consider F.W. de Klerk’s 1997 statement to South Africa’s Truth and Reconciliation Commission.

On its face, it was comprehensive: “Apartheid was wrong. I apologize…” Under questioning, however, de Klerk distanced National Party leadership from torture, murder and rape by state agents, and did not commit to any material amends.

Victims rejected it. De Klerk sought a position of pride rather than shame: the apology tried to rehumanize the apologizer without addressing what victims had suffered. That is almost always a sign of a sub-standard apology.

Learning from Canada

Canada has its own experiences with weak apologies. In 1998, Jean Chretien’s government responded to findings about residential schools with a Statement of Reconciliation read by junior minister Jane Stewart at a lunchtime ceremony. The prime minister was absent.

The content was not the problem; the symbolism told Indigenous Canadians the government was not serious. A decade later, Stephen Harper apologized in Parliament, alongside a $1.9-billion settlement, an independent assessment process and a Truth and Reconciliation Commission.

Harper publicly credited a political rival, NDP Leader Jack Layton, with persuading him, an admission that surprised observers. Harper’s earlier apology to Chinese Canadians for the Head Tax went further, reframing Chinese immigrants’ “back-breaking labour” as essential to building the country.

The Head Tax apology was generally received positively across Chinese Canadian and broader Canadian communities. However, some Chinese Canadians remained skeptical of the government’s motives and focused on whether the structural disadvantages rooted in the Head Tax era had truly been addressed.

In other words, victimized groups wait to see whether words will lead to real change. It is also important to acknowledge that the Head Tax was a limited grievance involving a defined group of victims, while residential schools were part of an ongoing colonial relationship with effects that endure today. Some apologies are therefore far more difficult than others.

When apologies face criticism

That difficulty is amplified by a nationalism trap. For citizens who strongly identify with national identity, acknowledging past injustice can feel like personal indictment, fuelling backlash that erodes the apology in victims’ eyes.

Brandt faced exactly this as conservative opposition questioned his patriotism. In Australia, Victoria’s coalition opposition has framed the First Peoples treaty as a divisive imposition, and that criticism, not the apology’s wording, may determine whether it survives.

There is a structural risk to further consider. Promising to do better raises the standard the apologizer will be judged against. When Canada ultimately failed to implement the Truth and Reconciliation Commission’s recommendations, when violence against Indigenous women continued, when over-representation in the criminal justice system persisted, Harper’s from years earlier apology lost credibility. Trust, once broken twice, becomes exponentially harder to restore.

Hence the paradox: an apology must be costly to improve the reputation of the apologizer, but an apology made with that benefit in mind lowers the cost and signals self-interest. The best way to apologize involves making the victims the primary focus, not the apologizing state. Apologies that prioritize rehumanizing victims prove more effective at rehumanizing apologizers too.

That is the test Victoria now faces, and one Canada keeps facing. The Victorian premier’s words last December were strong. Whether that apology leads to meaningful change depends less on what was said than on whether the treaty institutions survive November. Canadians should watch carefully.

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

– ref. How not to say you’re sorry: Why governments keep getting apologies wrong – https://theconversation.com/how-not-to-say-youre-sorry-why-governments-keep-getting-apologies-wrong-282778

May 14, 2026

Summers are getting longer each year, and it isn’t all fun and games

Source: The Conversation – Canada – By Ted Scott, PhD Student, Department of Geography – Climate and Coastal Ecosystems Group, University of British Columbia

The cumulative heat in summers is rising, meaning there is less relief from warm temperatures once summer begins. (Unsplash/Evgeniy Beloshytskiy)

Do you have the sense that summers feel different than when you were younger? That they start earlier, arrive quickly and remain intense until the fall? If you live in the mid-latitudes of either the Northern or Southern Hemispheres, chances are you answered yes.

For many, the idea of a longer and warmer summer conjures up images of spending more time at the beach, playing sports or enjoying family picnics, but there are concerning downsides. Summer is also the season of wildfires, droughts and heatwaves, like the June 2021 heat dome in the Pacific Northwest of North America.

Recent research shows that devastating heat dome event was amplified by its proximity to the summer solstice, which is the calendar start of summer, and by ground already dried out from earlier spring warmth. Earlier starts to the warmest season are making preconditions worse in areas prone to wildfire, extending fire seasons.

My colleagues and I at the University of British Columbia recently published research into how summer conditions are lasting longer and transitions into and out of summer are becoming more abrupt.

The cumulative heat in summers is rising, meaning there is less relief from warm temperatures once the season begins. Human-driven climate change is impacting the warmest season of the year. These changes challenge our expectations of the natural seasonal cycle being gradual and predictable.

Longer summers

To allow for a flexible definition of summer length, we defined typical summer weather based on daily average temperatures during the warmest 25 per cent of days from 1961 to 1990. This gave us a threshold daily temperature to define when summer began and ended in a given year and location.

We found that the number of days with typical summer weather has been growing 1.5 times faster over the past 30 years than in prior reports. On average, in mid-latitude regions, summers have lengthened by around six days every decade since 1990. These rates are similar across land, ocean and coastal areas.

We examined 10 cities using local weather station data, including Paris, St. Petersburg and Tokyo. A few of the cities stood out: in my hometown of Minneapolis, Minn., summertime has been lengthening by almost one additional day every year since 1990.

Toronto summers are gaining an average of eight days every decade, with summer conditions lasting four weeks longer now than in 1990. Sydney, Australia, added 1.5 additional days in each of those years. Sydney summers now last over one-third of the year.

Impacts of accumulating heat

The buildup of heat during summer is also rising quickly; it’s three times faster over land since 1990. As heat builds up in more areas, cooling demand can be expected to increase.

This change is not confined to continental interiors but is also happening in coastal areas. Perceived as favourable with their maritime climates, these areas face growing populations and often higher climate risk.

The percentage of Canadians with air conditioning varies by province and by income, but we know those who are most vulnerable struggle to stay cool.

Incentives for heat pumps will help those who can afford to make the switch, and have the benefit of also replacing natural gas heating in the winter, but regardless of cooling method, electricity needs will rise.

Longer summers and earlier starts will undoubtedly also affect agriculture, perhaps encouraging earlier planting. However, a complication is that the hours of daylight are not shifting. The impact of seasonal changes on farming practices and food supply is an active area of study.

We also found that spring and autumn seasons are shrinking because the transitions from spring to summer and from summer to fall are becoming more abrupt. For areas that rely on mountain snow for fresh water throughout the year, this snow will melt earlier and more quickly, potentially leading to flooding. Additionally, those batteries of fresh water are running out and drought seasons are lasting longer.

Adapting to longer summer

Many other aspects of society are linked to the timing of the summer season, like the start and end of the school year, or outdoor sports. How should we adjust if it’s simply too warm for strenuous outdoor activity, whether it’s recreational or work-related?

If these trends continue, we can expect further impacts on the planting season, the timing and pace of snowmelt and the connection with water supply, the length of the fire season, and especially on the energy demand for cooling.

Governments and experts have a lot of work to do to mitigate and adapt to the consequential changes humans have brought about through our dependence on fossil fuels.

These changes to summer are noticeable because they are already disrupting lives. While some places will still occasionally have cooler years and significantly warmer years, the data tells us the trends for summers are headed in one direction.

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

– ref. Summers are getting longer each year, and it isn’t all fun and games – https://theconversation.com/summers-are-getting-longer-each-year-and-it-isnt-all-fun-and-games-280884