Federal budget 2025: Is Canada Strong actually weak on AI?

Source: The Conversation – Canada – By Nicolas Chartier-Edwards, PhD student, Politics, Science and Technology, Institut national de la recherche scientifique (INRS)

Prime Minister Mark Carney’s Liberal government has tabled its first official budget, entitled Canada Strong. It frames itself as a road map of investments being made to strengthen national sovereignty via economic productivity and national defence. Central to those efforts is artificial intelligence.

AI-heavy technologies have been identified by eight federal agencies in the 2025 budget as a way to reduce operational expenditures while fuelling productivity.

Many of the investments in the budget are aimed at developing the defence industry through the creation and commercialization of what’s known as dual-use technology — goods, software and technology that can be used for both civilian and military applications — which can also include AI.

But is Canada Strong actually weak on AI?

Given the current legislative landscape and the new budget, we argue that Canada Strong’s AI plan downplays regulation and guardrail development, since funding is geared chiefly toward adoption. It overlooks the risks, impacts and potential weaknesses that come with an over-reliance on these technologies.

Past budgets

Indirectly, the Canadian government has consistently supported AI research through the Federal Granting Agency, the Canada Foundation for Innovation and the Canadian Institute for Advanced Research.

Between 2006 and 2015, Prime Minister Stephen Harper’s government invested more than $13 billion in science, technology and innovation during its mandate.

Justin Trudeau’s government changed how AI was marketed to Canadians and how it was funded. The 2017 budget, entitled Building a Strong Middle Class, made the first explicit references to AI in a federal budget, describing it as representing a transformative force for the Canadian economy.

The government emphasized “Canada’s advantage in artificial intelligence,” which it said could translate into “a more innovative economy, stronger economic growth, and an improved quality of life for Canadians.”

Bill Morneau, the finance minister at the time, proposed funding AI superclusters and allocating $125 million to establish the first Pan-Canadian Artificial Intelligence Strategy.

This commitment to AI was reaffirmed in the 2021 budget, when the technology was presented as “one of the most significant technological transformations of our time.” The federal government’s investments in the sector were portrayed as essential to ensure the economy benefited, and that Canada’s position of strength enabled the “integration of Canadian values into global platforms.”

The government renewed the Pan-Canadian AI Strategy with another $368 million. An additional $2.4 billion was committed in the 2024 budget, which emphasized the “safe and responsible use” of AI, notably through the creation of new standards and the establishment of a Canadian AI Safety Institute

Sovereignty focus

The 2025 budget marks another substantial shift in Canada’s approach to AI. This third phase of funding focuses on adoption, productivity, sovereignty and the fundamental principle of dual use, both civilian and military.

But we don’t believe it fosters research and projects addressing the key issues tied to AI, and instead amplifies promotional language.

We believe the large-scale adoption of AI across federal departments and agencies (like the Canada Revenue Agency, Employment and Social Development Canada, Fisheries and Oceans Canada, Public Services and Procurement Canada, Statistics Canada, Natural Resources Canada and Canadian Heritage) will actually reduce the capacity to pursue regulatory development, guardrail design, ethical deliberation and meaningful civil-society input because its widespread integration will permeate the entire bureaucracy.

AI presented as an economic driver through cost reduction and dual-use applications has become the new promotional narrative for the government.




Read more:
What are Canada’s governing Liberals going to do about AI?


The AI weakness in Canada Strong

What vulnerabilities arise when AI is aggressively deployed within the public service? Since the abandonment of the Artificial Intelligence and Data Act in 2025, Canada’s approach to AI governance has relied more on norms and standards than on the rule of law.

This environment could risk overturning a perceived AI advantage into one of weakness. This is especially true given an over-reliance by the government on foreign software (such as Microsoft CoPilot) and hardware (NVIDIA chips needed for super computers), a lack of comprehensive understanding of the technologies already in use by different agencies and no guidelines on lethal autonomous weapons — weapons systems that can independently search for, identify and attack targets without direct human intervention.




Read more:
How Russian and Iranian drone strikes further dehumanize warfare


Promoting rapid regulatory design and AI adoption within a budget focused on stimulating dual-use research, development, commercialization and implementation risks overlooking many of AI’s pitfalls, including:

Promotion AI as an economic boon — through public administration automation and military dual use — within an unregulated environment, and without dedicated funding for oversight, risks disrupting key sectors and services that sustain Canadian democracy, the very foundation of “Canada Strong.”

The Conversation

Nicolas Chartier-Edwards receives funding from the Social Sciences and Humanities Research Council.

François-Olivier Picard 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. Federal budget 2025: Is Canada Strong actually weak on AI? – https://theconversation.com/federal-budget-2025-is-canada-strong-actually-weak-on-ai-269230

Will AI automation really kill jobs? A new survey finds Canadian workers are split on the answer

Source: The Conversation – Canada – By Scott Schieman, Professor of Sociology and Canada Research Chair, University of Toronto

Since 2023, there has been a steady increase in media stories about the potential for automation by artificial intelligence (AI) to displace workers. As sociologists who study what people think and feel about work, we wondered if these narratives were gaining any traction among workers.

Understanding worker attitudes toward automation is a crucial part of studying AI’s broader impact on work and society. If large segments of the workforce feel threatened or left behind by AI, we risk not just economic disruption but a loss of trust in institutions and technological progress.

To explore these attitudes, we fielded a nationally representative survey of 2,519 working Canadians from Sept. 8 to 18 with the support of the Angus Reid Forum. The survey was designed to assess public attitudes and perceptions about the AI-related threat of job displacement.

We found Canadians’ responses were far from uniform, reflecting a mix of concern, skepticism and cautious optimism.

Mixed reactions to job loss

We asked respondents:

“A CEO of a major AI company recently made this statement: ‘AI could wipe out half of all entry-level white-collar jobs and spike unemployment to 10 to 20 per cent in the next one to five years.’ How likely do you think this is?”

The quote came from Dario Amodei, CEO of Anthropic, who was interviewed in an Axios article in May. The central thrust of the article was the imminent AI-related turbulence in the world of work.

In our survey, however, Canadian workers expressed mixed reactions to that dismal scenario: 16 per cent felt it was “very likely,” while another 48 per cent said it was only “somewhat likely.” The remaining 36 per cent said it was “not too likely” or “not at all likely.”

We then asked open-ended followup questions to gather qualitative insights about the ways that people are thinking and feeling about the AI threat. Most respondents expressed a pessimistic outlook, but a significant minority contrasted their view with optimism.

Concerns about corporate greed and job loss

A common thread among pessimistic responses was concern over corporate greed and profit. “Companies are greedy,” a 63-year-old writer said. “They want to get rid of as many jobs as possible.”

A 66-year-old clinical manager echoed the sentiment: “Companies are always looking to reduce cost and improve efficacies, so there is a strong probability this is going to happen in many organizations over the next 5 to 10 years as AI continues to be used.”

Some respondents felt these trends were happening already. “The trends and increases in speed of which AI has begun dominating the business world,” a 30-year-old engineer said. “I believe that whether or not society approves, companies will attempt to replace their entry level-jobs with AI.”

A 32-year-old real estate legal assistant said: “AI has already advanced so much in a short space of time. Combined with our society’s prioritization of profit, I doubt many companies will have any scruples about replacing people with machines.”

Others were concerned about the looming loss of dignity and respect for workers. “Executives do not see the value of the human mind compared to a machine,” a 53-year-old senior government policy analyst told us. “It shows they have no concern for employees, just profits.”

A 70-year-old civil construction inspector similarly said: “Worker productivity is low, immigration has overwhelmed services and housing, corporations have no respect for workers no matter where or what the task. There will simply be too many people competing for jobs.”

“Companies see AI as a cheap way to lay off many workers and maximize their own profits — even though doing so will make their products worse,” said a 22-year-old barista. “Companies only care about money, not the workers that generate their revenue.”

Optimism about human adaptability

Not everyone was so gloomy. Many expressed optimism about AI and the human capacity to adapt and evolve.

“AI is not a replacement for humans,” said a 54-year-old community television producer, while emphasizing that rather than replace humans, AI “should allow humans to accomplish more at their jobs.”

Others shared this confidence, drawing parallels to other historical changes in technology. “The job market will adapt as needed,” speculated a 34-year-old service officer, “switching to different roles that match the current technology, just as we have done in the past.”

A 33-year-old project co-ordinator said: “I think people and jobs will adapt to utilize technology in the same way we adapted to the internet. I think the job market will change, but overall, we’re more likely to adapt than have high unemployment.”




Read more:
Generative AI can boost innovation – but only when humans are in control


Some reinforced the human relevance of work. “Regardless of the nature of the job, individuals will still need to train the younger generation” said a 32-year-old economist. “While we might not need data entry people anymore, we still need to understand how data entry works to hold upper-level positions — it can’t just be taken away from people completely.”

What this tells us

These findings show that, despite sensational headlines about AI and job loss, Canadian workers’ perceptions about the issue are complex.

It’s clear that the emotional landscape of work is filled with frustrations about corporate priorities and skepticism about whether workers will be protected. And yet, our survey found traces of resilience in the belief in the essential humanness of work.

Over the next one to five years, we’ll continue to track how this all plays out, and the ways that Canadian workers, business leaders and policymakers adapt and evolve to the ongoing changes brought by AI.

The Conversation

Scott Schieman receives funding from the Social Sciences and Humanities Research Council.

Alexander Wilson receives funding from the Social Sciences and Humanities Research Council.

ref. Will AI automation really kill jobs? A new survey finds Canadian workers are split on the answer – https://theconversation.com/will-ai-automation-really-kill-jobs-a-new-survey-finds-canadian-workers-are-split-on-the-answer-268649

La Constitution québécoise prétend vouloir protéger les femmes. La réalité est toute autre

Source: The Conversation – in French – By Naïma Hamrouni, Professeure agrégée de philosophie et titulaire de la Chaire de recherche du Canada en éthique féministe, Université du Québec à Trois-Rivières (UQTR)

Écoutez cet article en version audio générée par l’IA.

Le Québec pourrait bientôt inscrire le droit à l’avortement dans sa Constitution. Présenté au public comme un symbole fort pour l’égalité des sexes, ce geste risque paradoxalement de fragiliser l’accès réel des femmes à ce service, en plus de véhiculer une vision réductrice de la lutte féministe pour la justice reproductive.

Le 9 octobre dernier, le ministre de la Justice du gouvernement caquiste Simon Jolin-Barrette déposait le projet de Loi 1, visant à doter le Québec de sa propre Constitution. Présenté comme un geste d’affirmation nationale progressiste, visant à « définir la nation québécoise » et ses « valeurs sociales distinctes, dont l’égalité entre femmes et hommes », ce projet inclut deux dispositions touchant spécifiquement l’égalité des sexes.

Ce texte se concentre sur la disposition prévoyant l’inscription constitutionnelle du droit à l’avortement. À travers ce débat ouvert par le gouvernement, je propose, à titre de titulaire de la Chaire de recherche du Canada en éthique féministe à l’Université du Québec à Trois-Rivières, d’y voir une occasion rare de réfléchir collectivement – en incluant les Premiers peuples, grands oubliés de ce projet – à la perspective féministe que nous souhaitons voir structurer et inspirer notre projet de société.




À lire aussi :
Quand la Constitution québécoise ignore les peuples autochtones


Contre la constitutionnalisation de l’avortement

En 2023, la Coalition avenir Québec a tenté d’inscrire le droit à l’avortement dans la Charte des droits et libertés de la personne. De nombreux groupes de femmes, le Barreau du Québec ainsi que plus de 400 médecins, s’y sont alors opposés, craignant d’abord qu’en ciblant l’avortement comme un service de santé distinct des autres, on risquait de raviver la stigmatisation des femmes qui y ont recours.

Ils rappelaient surtout que l’enchâssement du droit à l’interruption volontaire de grossesse dans une loi constitutionnelle ouvrirait de facto la porte à sa contestation devant les tribunaux. Cela fragiliserait des acquis menacés par les vents conservateurs qui soufflent sur la province depuis le renversement, en 2022, de l’arrêt Roe v. Wade, qui, depuis 1973, accordait aux États-Uniennes le droit d’avorter dans tout le pays.

Comme pour la vasectomie ou la chirurgie de la hanche, il n’est pas nécessaire de constitutionnaliser l’accès à l’avortement, mieux protégé comme soin que comme droit. Rappelons qu’au Québec, comme ailleurs au Canada, l’avortement n’est pas un droit constitutionnel : il est entièrement décriminalisé depuis 1988, à la suite d’une décision de la Cour suprême ayant invalidé les restrictions du Code criminel – qui, depuis 1969, n’autorisait l’avortement que dans certaines circonstances exceptionnelles et sous des conditions très restrictives. Depuis, l’interruption volontaire de grossesse relève du réseau de la santé, et non de la Constitution.

En décembre 2023, la ministre responsable de la Condition féminine Martine Biron avait su écouter les groupes de femmes et faire marche arrière sur son projet de loi. Aujourd’hui, le gouvernement caquiste choisit de faire fi de leurs voix – tout en s’autoproclamant champion de l’égalité des sexes. Il voudrait délibérément mettre en péril la protection du droit à l’avortement qu’il ne s’y prendrait pas autrement.

Ce qui menace le droit à l’avortement

Les groupes de femmes et les chercheuses féministes n’ont jamais demandé la constitutionnalisation du droit à l’avortement, qu’elles ont même critiquée. Elles rappellent toutefois que l’accès réel à ce service reste entravé par des obstacles concrets : manque de services hors des grands centres, manque d’accès à la pilule abortive, délais d’attente longs, absence de congés payés, et manque d’investissement dans l’accompagnement de celles qui subissent violence ou contrôle de la part de leur partenaire.

Mais constitutionnaliser un droit à l’avortement est plus spectaculaire et politiquement payant. Ce geste qui frappe l’imaginaire citoyen dispense surtout de s’engager là où cela ferait une véritable différence pour les femmes. L’exercice réel de notre liberté reproductive dépend d’autres facteurs sur lesquels nos gouvernements ont un pouvoir d’agir : l’existence d’une clinique à distance raisonnable et l’accès rapide à une consultation dans une société féministe qui soutient et valorise les femmes et leur autonomie.

S’ajoutent aussi des facteurs socio-économiques et relationnels sur lesquels le gouvernement peut agir par l’éducation et les programmes sociaux : vivre une relation égalitaire et respectueuse, et avoir des moyens financiers permettant de réaliser ses projets reproductifs ou de quitter une relation toxique. La pauvreté, la crise du logement et la réduction des ressources pour femmes et enfants victimes de violence conjugale restent des enjeux féministes cruciaux, liés à la justice reproductive.

Au-delà de ces obstacles pratiques à la liberté reproductive, les féministes s’entendent pour dire que la principale menace à nos droits à l’heure actuelle est représentée par la montée des droites conservatrices. En ligne, ces mouvements tissent de nouvelles communautés réactionnaires, nourries par des discours natalistes, nostalgiques des rôles de genre traditionnels et d’une époque pure-laine fantasmée.

Vers une pleine justice reproductive

L’histoire classique du féminisme présente le droit à l’avortement comme un combat emblématique des années 1960. Mais ce récit est partiel. Il occulte les expériences des femmes autochtones, noires et racisées, des femmes vivant avec une déficience intellectuelle et de celles en situation de handicap, qui ont fait les frais des politiques génocidaires et eugénistes : stérilisations imposées, coercition reproductive, et retraits d’enfants, justifiés par des préjugés sur leur capacité à être mères.

Pour élargir la compréhension des droits reproductifs, la militante et cofondatrice du collectif SisterSong Loretta Ross – elle-même stérilisée sans consentement à l’âge de 23 ans –, a élaboré avec ses consœurs le concept de justice reproductive. Ancrée dans une compréhension intersectionnelle des oppressions (sexiste, mais aussi capacististe, raciste et coloniale), cette notion relie le droit de ne pas avoir d’enfants à celui d’en avoir, librement. Elle intègre également aux droits d’avorter et de mettre des enfants au monde, celui d’élever nos enfants dans la dignité, dans des conditions sociales qui soutiennent la valeur égale de leurs vies et des nôtres.


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Dans cette perspective élargie, la justice reproductive implique donc bien davantage que la seule lutte pour l’accès à l’avortement. Elle conçoit comme indissociable de la liberté reproductive l’accès universel aux soins de santé, aux services sociaux et à une éducation de qualité. La justice reproductive implique aussi la lutte pour l’accès des femmes et de leurs enfants à un logement abordable et sain, à une alimentation nourrissante et suffisante, et à une vie libérée de la pauvreté et de la violence, qu’elle soit exercée au sein du foyer ou par l’État.

Autrement dit, en plus de fragiliser l’accès à l’avortement en ouvrant la porte à sa contestation devant les tribunaux, l’inscription de ce droit dans la Constitution refléterait une vision bien partielle de la lutte féministe pour la justice reproductive.

Prendre les droits des femmes au sérieux exige un leadership politique capable de dénoncer d’un même souffle les menaces au droit à l’avortement et les injustices issues des systèmes d’oppression qui limitent l’exercice réel de notre liberté reproductive. Sans un tel programme d’action féministe ambitieux, l’engagement de notre gouvernement pour l’égalité des sexes n’est qu’un vernis superficiel appliqué à un projet constitutionnel qui, fondamentalement, n’a rien de féministe.

La Conversation Canada

Naïma Hamrouni a reçu des financements du CRSH et du FRQSC.

ref. La Constitution québécoise prétend vouloir protéger les femmes. La réalité est toute autre – https://theconversation.com/la-constitution-quebecoise-pretend-vouloir-proteger-les-femmes-la-realite-est-toute-autre-265843

Quatre méthodes pour combattre la déprime hivernale, selon la science

Source: The Conversation – in French – By Gio Dolcecore, Assistant Professor, Social Work, Mount Royal University

À l’approche de l’hiver et avec la fin de l’heure d’été, beaucoup de gens se préparent à affronter des journées de plus en plus courtes, un temps de plus en plus froid, ainsi que la fameuse « déprime hivernale ». Ces changements saisonniers sont toutefois plus qu’un simple désagrément passager, car ils peuvent perturber l’énergie, l’humeur et les habitudes quotidiennes.

Le trouble affectif saisonnier (TAS) se caractérise par une intensification des symptômes dépressifs pendant les mois d’automne et d’hiver, tandis que la « déprime hivernale » désigne une baisse de l’humeur temporaire et est moins grave.

Au Canada, environ 15 % de la population souffre de déprime hivernale, et de 2 à 6 % de TAS. Bien que la cause exacte du TAS soit incertaine, il semblerait qu’il soit lié à la diminution de l’exposition à la lumière naturelle en automne et en hiver, ce qui peut perturber le rythme circadien.

Une faible luminosité affecte la chimie du cerveau en réduisant le taux de sérotonine, un neurotransmetteur qui régule l’humeur, le sommeil et l’appétit, tout en maintenant un taux élevé de mélatonine pendant la journée, ce qui entraîne somnolence et fatigue.

La bonne nouvelle, c’est qu’avec de la volonté et des pratiques fondées sur des preuves, il est possible de transformer l’hiver en une saison porteuse de sens, de liens sociaux et même de joie. À titre de travailleuse sociale et de thérapeute en santé mentale, je vous propose quatre approches qui, selon la recherche et ma pratique clinique, peuvent rendre les mois d’hiver plus agréables.




À lire aussi :
Déprime saisonnière : pourquoi les skieurs de fond ne la connaissent pas


1. Faire du temps son ami

L’hiver peut engendrer de l’apathie et de la démotivation. Cependant, il est possible d’y remédier en instaurant des routines.

Des recherches en psychologie comportementale montrent que des activités structurées, même simples, peuvent stimuler la motivation. Essayez de prévoir des rituels hebdomadaires, comme prendre un café avec un ami, aller à la bibliothèque ou regarder votre émission préférée, afin de vous donner des points d’ancrage lorsque vous avez des baisses d’énergie.

Accordez à votre temps le même soin que vous accordez à celui des autres et planifiez des moments de qualité pour vous-même.

Un autre outil utile est le « body doubling » (ou travail en parallèle), qui consiste à accomplir des tâches en même temps que quelqu’un d’autre, que ce soit en personne ou virtuellement. Cela peut signifier regarder le même film même si on n’est pas au même endroit, discuter au téléphone tout en pliant son linge ou travailler ensemble dans un café. Ces routines partagées favorisent le sentiment de responsabilité et renforcent les liens.

Les routines sociales structurées sont un élément de la thérapie cognitivo-comportementale, qu’on utilise pour traiter le TAS et la déprime hivernale, et qu’on considère comme efficace pour prévenir les rechutes dépressives.

2. On sort !

Lorsque la température baisse, il est tentant de rester à l’intérieur. Pourtant, passer un bref moment à l’extérieur dans le froid présente de réels avantages.

L’exposition à la lumière naturelle, même par temps couvert, permet de réguler les rythmes circadiens, d’améliorer la qualité du sommeil et de stabiliser l’humeur. Essayez de sortir au moins 10 minutes par jour. Que vous fassiez une marche rapide, du patinage ou que vous restiez dehors sans bouger, cela vous aidera à vous sentir mieux.

Si vous présentez des symptômes dépressifs, parlez-en à votre médecin pour savoir si la luminothérapie pourrait vous convenir. Des études cliniques ont montré qu’il s’agit de l’un des traitements les plus efficaces contre le TAS.

Essayez de voir la neige comme quelque chose d’attirant plutôt que comme un obstacle. Vous pouvez prévoir toutes sortes d’activités, comme des pique-niques hivernaux, des chasses au trésor avec des pommes de pin ou de la peinture sur neige, ou encore des activités plus calmes comme l’observation d’oiseaux, la photo ou la raquette. Si vous êtes du style à aimer l’adrénaline, les sports comme la planche à neige peuvent vous apporter des sensations fortes.

3. Des moments de joie

La joie est souvent perçue comme un trait de caractère ou une capacité innée, mais on peut la cultiver intentionnellement. Des gestes simples peuvent reprogrammer le cerveau petit à petit pour qu’il se tourne vers des états plus positifs.

Une façon de cultiver la joie consiste à trouver des activités qui favorisent ce que les chercheurs appellent le « flow », un terme qui décrit le fait d’être complètement absorbé par ce qu’on fait au point où tout le reste disparaît.

Cet état se produit lorsque le défi et les compétences sont en parfait équilibre, quand une activité est captivante sans être trop difficile au point qu’on se sente dépassé. Cela stimule les circuits émotionnels positifs du cerveau, renforçant ainsi les voies liées à l’attention, à la motivation et à la créativité. Les activités engendrant le flow ne sont pas les mêmes pour tout le monde : on peut penser aux casse-têtes, aux jeux vidéo, à la cuisine, au crochet, à la peinture ou à la poésie.


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La joie peut être collective. Les rires partagés, le travail en parallèle ou les gestes d’hospitalité nous rappellent que la joie est plus grande lorsqu’elle est vécue en communauté. Un repas où chacun apporte un plat, une soirée au cinéma ou un simple coup de fil peuvent contrer l’isolement et faire de la joie une ressource renouvelable que l’on crée avec les autres.

4. Prendre le temps de s’arrêter

La pleine conscience et la méditation sont deux pratiques qui peuvent être intégrées à la vie quotidienne pour atténuer le stress et la dépression, améliorer l’attention et la régulation émotionnelle, et diminuer la rumination mentale.

La méditation est une technique qui permet de cultiver le calme, en utilisant entre autres la respiration profonde, tandis que la pleine conscience consiste à demeurer présent au quotidien, par exemple en savourant le goût de son café du matin. Il a été prouvé que ces deux pratiques accroissent la concentration, régulent les émotions et réduisent les pensées négatives répétitives.

Des études montrent qu’il suffit de dix minutes de pause par jour, en étant attentif à l’instant présent, pour diminuer considérablement le stress.

On recommande d’intégrer ces moments à la routine quotidienne, par exemple en prenant cinq respirations profondes dès le réveil, en faisant une pause après une séance de sport ou en restant assis en silence dans la voiture avant d’entrer chez soi. Les applications proposant de courtes méditations, des histoires pour dormir ou des rappels permettent de développer cette habitude.

Si on vit avec d’autres personnes, on peut prendre le temps de poser des questions comme : « Quel a été ton meilleur et ton pire moment de la journée ? », de manière à favoriser la réflexion et la gratitude. Ces petits rituels de respiration et d’introspection peuvent aider à prévenir la fatigue émotionnelle durant l’hiver.

L’hiver, une saison pour pratiquer

Au lieu de simplement survivre à l’hiver, on peut l’aborder comme une saison pour apprendre, s’adapter et renforcer sa résilience. Pour cela, on peut faire du temps son allié, rechercher l’émerveillement en plein air, cultiver la joie comme une compétence et trouver sa façon de pratiquer la méditation et la pleine conscience.

Ces stratégies ne feront pas disparaître les défis liés aux journées courtes et au temps froid, mais des études montrent qu’elles peuvent aider à atténuer leur impact sur l’humeur et le bien-être. En considérant délibérément l’hiver comme une période de croissance, on peut changer son état d’esprit et envisager cette saison comme une occasion de renouveau.

Le solstice d’hiver symbolise l’obscurité qui cède la place à la lumière. Célébrer le solstice en allumant des bougies, en se réunissant en communauté ou en prenant des résolutions pour les mois à venir peut transformer le jour le plus sombre de l’année en un moment de connexion, de renouveau et d’amour pour la saison hivernale.

La Conversation Canada

Gio Dolcecore 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. Quatre méthodes pour combattre la déprime hivernale, selon la science – https://theconversation.com/quatre-methodes-pour-combattre-la-deprime-hivernale-selon-la-science-269767

La selección: hoy he sentido la llamada

Source: The Conversation – (in Spanish) – By Claudia Lorenzo Rubiera, Editora de Cultura, The Conversation

Gracia Olayo y Belén Cuesta en un fotograma de _La llamada_, la adaptación cinematográfica de la obra de teatro de Javier Calvo y Javier Ambrossi. Apache Films

En los últimos años, hay tendencias culturales españolas que pasan irremediablemente por los Javis, directores de cine, televisión y escena. Una de ellas es la dedicada a tratar temas religiosos en obras literarias, musicales y cinematográficas, que parece estar, en 2025, en auge.

Pero no olvidemos que en 2013, en el vestíbulo del Teatro Lara madrileño, se puso en pie una obra sobre la historia de una adolescente, fan del reguetón y el electro latino, que en pleno campamento veraniego escuchaba la llamada de un Dios (católico) que se comunicaba con ella a través de canciones de Whitney Houston.

Lo que en el papel parecía una insolencia se convirtió, sobre el escenario, en una obra fresca, respetuosa y tierna que atrajo a la sala a miles de espectadores de todo tipo y condición. En 2017 los propios Javier Ambrossi y Javier Calvo dirigieron la adaptación cinematográfica.

No fueron los únicos que sintieron la llamada. La cantante Rigoberta Bandini estuvo girando durante un tiempo vestida con el uniforme del colegio teresiano al que había ido de niña (el mismo uniforme que llevaba esta que ahora escribe). Y en sus letras también se pueden encontrar referencias a la propia Teresa de Ávila y a las místicas en general.

Porque… ¿cómo no va a haber inspirado la rompedora y rebelde santa Teresa, una de las grandes autoras del Siglo de Oro español, el trabajo de múltiples creadoras posteriores a ella? Poco más de 60 años después de su muerte, irrumpió en México sor Juana Inés de la Cruz y, con ella, su defensa del derecho de la educación para las mujeres.

Porque entrar en un convento entonces no se percibía como la tragedia que algunos pueden ver ahora. En la Edad Media, por ejemplo, la clausura proporcionaba libertad para ejercer oficios creativos e instruirse sin depender de un hombre. La religiosa En, desde su monasterio en San Salvador de Tábara, Zamora, plasmó en las iluminaciones del Beato de Girona su forma extraordinaria de ver las revelaciones divinas y la historia de la humanidad.

Y después está Hildegarda. Hildegarda de Bingen hizo muchas cosas en la vida, entre ellas inventar la cerveza, lo cual merecería por sí solo un lugar en la historia. Pero ¿qué otra herencia nos ha dejado esta buena monja medieval? Pues, por ejemplo, describir el orgasmo masculino, el orgasmo femenino y defender el placer de las mujeres.

Por supuesto, con tanta rebeldía en los monasterios, los hombres intentaron limitar la capacidad de actuación de las señoras que vivían en clausura y en el siglo XVIII se intentó enseñar a ser “buena monja”. Sin embargo, las monjas, como las personas, son buenas o malas independientemente de lo que diga un cuadernillo. A veces, hasta se ponen a calcular y acaban ayudándonos a llenar el cielo de estrellas.

Ahora que se pone de moda volver a un monasterio para pensar, crear y alejarse del ruido, casi podemos darle la razón a las Hijas de Felipe. En su pódcast, además de citar constantemente a santa Teresa, defienden que todo lo que nos pasa ahora ya le pasó a alguien (probablemente a una monja) de los siglos XVI y XVII.

Así que sí, había vida (y religiosas) antes de Rosalía.

The Conversation

ref. La selección: hoy he sentido la llamada – https://theconversation.com/la-seleccion-hoy-he-sentido-la-llamada-269822

Reduced air pollution is making clouds reflect less sunlight

Source: The Conversation – Canada – By Knut von Salzen, Senior Research Scientist, Marine Cloud Brightening Research Program, University of Washington

Winter is setting in across the Northern Hemisphere, and with it, cold and cloudy winter days. Clouds play a vital role in the environment, providing rain but also reflecting sunlight before it reaches the Earth’s surface.

But between 2003 and 2022, clouds over the North Atlantic and Northeast Pacific became less reflective, allowing more sunlight to reach the ocean surface and causing sea surface temperatures to rise.

My colleagues and I recent conducted research that shows global efforts to improve air quality have unintentionally accelerated climate warming by modifying clouds.

While cleaner air has major health benefits, decreasing the amount of particulate pollution has also reduced the cooling effect of clouds, accelerating climate warming.

Dimming clouds and rising temperatures

Our study relied on two decades of satellite data to analyze the impacts of changes in particulate pollution and climate warming on the clouds. The data shows that low-level clouds in the Northern Hemisphere have dimmed rapidly since 2003.

In particular, cloud reflectivity over the North Atlantic and Northeast Pacific has fallen by nearly three per cent per decade. During the same period, sea surface temperatures rose about 0.4 C, intensifying marine heatwaves that have damaged ecosystems and fisheries.

We expected that climate warming from greenhouse gas increases would lead to a decrease in low clouds over the ocean. However, the observed changes were too large to be explained by this process or by natural climate variability, pointing to an additional cause of warming that many climate models underestimated.

The key factor turned out to be aerosols — tiny particles that act as seeds for cloud droplets. When there are fewer aerosols, clouds contain fewer but larger droplets. Those droplets reflect less sunlight and are more likely to rain out quickly, producing shorter-lived, darker clouds. This process weakens the cooling influence that low clouds have over marine areas.

The effect stems from two known mechanisms: the Twomey effect, where fewer aerosols make clouds less reflective, and the Albrecht effect, where larger droplets shorten cloud lifetime. Together, these changes reduce the planet’s overall reflectivity.

a cloudy sky above a rocky shoreline
View of an overcast sky from the coast near Ogunquit, Maine. With fewer aerosols in the air, clouds become less reflective, allowing more sunlight to reach the ocean surface.
(Unsplash/Logan Hughes)

A cleaner atmosphere, a warmer planet

Ultimately, our study exposes a paradox: cleaner air benefits human health while also revealing the full force of greenhouse-gas warming, which has historically been “masked” by the cooling effect of particulate pollution.

Sulfur dioxide (SO₂) emissions — the main source of sulfate aerosols — have fallen sharply as countries adopted stricter air-quality regulations. China’s SO₂ emissions alone dropped by about 16 million metric tonnes per decade since 2003, with similar reductions in the United States and Europe. Cleaner air means fewer aerosol particles available to form bright, reflective clouds.

Our study showed five to 10 per cent declines in cloud droplet concentrations, especially in regions where cloud brightness fell most. The close correspondence between reduced aerosols, larger droplet size and cloud dimming confirmed that cleaner air was driving regional warming.

We analyzed 24 Earth system models and found that most underestimated the magnitude and extent of observed cloud changes. Only models that accurately represented how aerosols affect clouds matched real-world observations, highlighting a major modelling weakness.

In our study, we separated the effects of particulate air-pollution cuts from cloud changes driven by general warming. The results showed that declining aerosols accounted for 69 per cent of the cloud reflectivity loss, while warming explained 31 per cent. Our simulations indicate that changes in cloud lifetime in response to having larger droplets (the Albrecht effect) proved more influential in the change in cloud droplet size itself (the Twomey effect).

Reduced cloud brightness in these ocean regions added about 0.15 watts per square metre (W/m²) per decade to Earth’s global energy imbalance, even though the regions cover only 14 per cent of the planet’s surface. Rising global CO₂ levels added roughly 0.31 W/m² per decade during the same time, meaning cleaner air produced nearly half as much additional warming as CO₂ itself in those areas.

This finding creates a policy challenge: air-quality improvements that save lives also remove a cooling shield that has been masking a significant portion of greenhouse-gas warming. Because aerosol emissions are projected to keep falling through mid-century, this “unmasking” could continue to contribute to faster rates of warming for decades.

Importance of continued observation

The satellites observing clouds and aerosols are nearing the end of their mission, with a phaseout expected in 2026. Long-term satellite monitoring proved essential for revealing the link between cleaner air, dimmer clouds and regional warming, and will continue to be essential for understanding future warming.

Our results suggest that many climate models may underestimate near-term regional warming as air particulate pollution declines. Improving the representation in models of how aerosols affect clouds and continuing global observations will be critical for more accurate projections.

Addressing the paradox of cleaner air uncovering hidden warming demands integrating air-quality and climate policy and accelerating the reduction of greenhouse gases — the only lasting way to cool the planet.

The Conversation

Knut von Salzen receives funding from the University of Washington’s Marine Cloud Brightening Research Program, which is funded by a consortium of individual and foundation donors. He is affiliated with the Climate Research Division of Environment and Climate Change Canada and the University of Victoria.

ref. Reduced air pollution is making clouds reflect less sunlight – https://theconversation.com/reduced-air-pollution-is-making-clouds-reflect-less-sunlight-269805

Bangladesh signals that no leader is above the law by sentencing Sheikh Hasina to death

Source: The Conversation – UK – By Shahzad Uddin, Director, Centre for Accountability and Global Development, University of Essex

Sheikh Hasina has denied all the charges against her, calling the trial a ‘farce’. Sk Hasan Ali / Shutterstock

A domestic war crimes court in Bangladesh has sentenced the country’s former prime minister, Sheikh Hasina, to death in absentia for crimes against humanity. The court found Hasina guilty of incitement, orders to kill and inaction to prevent atrocities during the deadly state crackdown on a student-led uprising in 2024.

Hasina denies all the charges against her, calling the court’s decision “biased and politically motivated”. In a statement released after the verdict, she said: “I am not afraid to face my accusers in a proper tribunal where the evidence can be weighed and tested fairly.”

Hasina has challenged Bangladesh’s caretaker government to bring the charges before the International Criminal Court.

The Bangladeshi court’s judgment is anchored in extensive evidence from the UN and international human rights organisations. In a report published in February 2025, the UN Office of the High Commissioner for Human Rights estimated that up to 1,400 people were killed during the three weeks of unrest. A further 11,700 people were detained, it said.

The report found that “the vast majority of those killed and injured were shot by Bangladesh’s security forces”, and determined that security agencies “systematically engaged in rights violations that could amount to crimes against humanity”. UN data suggests that up to 180 children were killed in the security crackdown.

During the unrest, Human Rights Watch (HRW) noted that the Bangladeshi government had “deployed the army against student protesters, imposed shoot-on-sight curfew orders, and shut down mobile data and internet services.”

The UN report concluded that the violence against protesters in Bangladesh “was carried out in a coordinated manner by security and intelligence services”. It documented instances where “security forces engaged in summary executions by deliberately shooting unarmed protesters at point-blank range.”

HRW documented similar patterns. In a January 2025 briefing, HRW stated that “over 1,000 people were killed and many thousands injured due to excessive and indiscriminate use of ammunition.” These findings were repeated by Amnesty International, which recorded the use of live ammunition on protesters and mistreatment of detainees.

The court’s verdict accepts evidence that multiple branches of the security apparatus acted in concert, and that senior officials did not intervene even as human rights violations escalated. Judges stated that those in positions of authority were expected to prevent such abuses, yet the violence continued despite their ability to stop it.

For many families, the court’s ruling marks the first official acknowledgement of their loss. Testimonies collected by UN investigators describe parents spending days searching hospitals and police stations for their children, often being told that records were missing. The UN reported that hospital staff were pressured by security forces to alter or remove death records.

Bangladeshi students clash with police during a protest.
Student protesters clash with the police during a demonstration in Dhaka, Bangladesh, in 2024.
Mamunur Rashid / Shutterstock

Meenakshi Ganguly, the deputy Asia director at HRW, said at the time of the unrest: “Bangladesh has been troubled for a long time due to unfettered security force abuses against anyone who opposes the Sheikh Hasina government.”

Hasina won a fourth straight term as prime minister in 2024, following an election that the main opposition Bangladesh Nationalist party alleged was a sham. The party boycotted the poll after many of its key leaders were forced into exile or jailed prior to the vote.

Under Hasina, Bangladesh’s security forces operated with broad discretion. This included the Rapid Action Battalion paramilitary force, which was sanctioned by the US Treasury in December 2021 over “serious human rights abuses”. Civil society groups documented pressure on activists prior to the 2024 unrest, while journalists faced harassment.

Next steps

The verdict arrives at a pivotal moment for the interim government which, led by Muhammad Yunus, has pledged to restore the rule of law in Bangladesh and rebuild public trust. One difficult question for his administration moving forward will be whether it can secure Hasina’s extradition.

The Hindustan Times is reporting that the Bangladeshi government has already written to India, where Hasina has been living in exile since being ousted from power, asking for her to be handed over.

Hasina’s extradition is no foregone conclusion. India can deny the Bangladeshi government’s request if it is deemed that the charges against Hasina are of a political nature. And Delhi has responded cautiously to the extradition request, saying it is “committed to the best interests of the people of Bangladesh”.

Yet pressure on India to extradite Hasina is likely to grow. The gravity of the charges – grounded in UN findings that suggest the violence, and Hasina’s role in it, may amount to crimes against humanity – adds an international dimension that could influence future decisions.

Protesters outside and on the roof of an official building.
Protesters stormed the prime minister’s office in Dhaka in 2024 following Hasina’s resignation.
Sk Hasan Ali / Shutterstock

Another challenge facing Bangladesh’s interim government is the prospect of renewed unrest. Reuters reported clashes between Hasina supporters and security forces in parts of the capital, Dhaka, and the port city of Chattogram in the days before the court’s ruling. And Bangladeshi police dispersed protesters marching towards party offices in Dhaka after the judgment.

Hasina’s son, Sajeeb Wazed Joy, has also publicly warned that supporters of his mother’s Awami League would block national elections scheduled for February 2026 if the government’s ban on the party remained in place. The country’s political environment remains fragile as legal proceedings against the former Hasina government continue.

The court’s verdict establishes an official record that lethal force was used in ways inconsistent with international law, the violations were widespread, and the state bears responsibility.

What follows – whether it’s further prosecutions, security-sector reform or a movement towards extradition – remains uncertain. But next steps must ensure that justice continues.

The Conversation

Shahzad Uddin 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. Bangladesh signals that no leader is above the law by sentencing Sheikh Hasina to death – https://theconversation.com/bangladesh-signals-that-no-leader-is-above-the-law-by-sentencing-sheikh-hasina-to-death-269957

Denmark’s prime minister has led the country’s hardline migration policy – now she is trying to influence the rest of Europe

Source: The Conversation – UK – By Mette Wiggen, Lecturer, School of Politics and International Studies, University of Leeds

The social democrat Mette Frederiksen won Denmark’s 2019 elections on a platform of radical reforms to reach climate targets, lowering the pension age for manual workers – and stricter migration policies.

Denmark has some of the strictest asylum legislation in Europe. The country grants only temporary asylum to refugees, regardless of their need for protection. It has tightened laws on family reunion, and introduced policies focused on prioritising deportation, rather than integration.

Frederiksen has justified such policies by pitting the challenges of immigration against the affordability of public services and the welfare state.

Hardline asylum legislation was in place in Denmark before Frederiksen came to power, but has become even more draconian under her administration. In her own words, migration “is challenging Europe, affecting people’s lives, and the cohesion of our societies”.

Now, Frederiksen’s approach has become a model for other left-wing governments in Europe, including the UK, struggling to address voter concerns about immigration.




Read more:
Think twice before copying Denmark’s asylum policies


How did a left-wing leader come to lead such a strict migration regime, and how might it influence the rest of Europe?

Danish migration policy has been influenced by the far right for years. Minority coalitions have long depended on the vote of the far right in parliament. Frederiksen won the 2019 elections on a migration agenda almost identical to that of the far-right Danish People´s party.

The country’s asylum policies had already been tightened during the 2015 refugee crisis. New legislation placed restrictions on refugees bringing their families to stay, introduced temporary permits which could be revoked at any time, and placed more demands linked to integration on asylum seekers and immigrants.

In 2018, a law targeting “parallel socieites” came into force, allowing the government to demolish or sell off social housing areas where more than half of residents are from a “non-western” background, if those areas also meet other criteria related to crime and poverty. Refugees in these areas are also not eligible for family reunion.

In 2021 Frederiksen introduced a new deportation law allowing for refugees to be returned to their country of origin if Denmark deemed it safe.

Her government ruled Syria safe for refugees to return to, allowing it to withdraw the residence permits of Syrian refugees. But because Denmark did not have diplomatic relations with the Syrian government to allow deportations, people were taken out of education and employment and put in deportation camps.

In 2021, the European Commission deemed new Danish legislation on transferring asylum seekers to third countries to process asylum claims incompatible with EU law.

But Denmark is in a unique position, having negotiated opt-outs from the Maastricht Treaty in 1992. One of these opt-outs means that Denmark is not bound by EU laws on border control and immigration policy.

Influencing Europe

Over the last few months, Denmark has held the presidency of the Council of the European Union, where migration has been at the top of the agenda.

Frederiksen has used this position to advocate for stricter, Danish-style migration policies across Europe. In her speech at the official opening ceremony for the Danish EU presidency, she said:

Many come here to work and to contribute. But some do not. And around Europe, we see the consequences. Crime. Radicalization. And terror. We have built some of the best societies ever. But we cannot accept anyone who wants to come here.

Denmark has supported the EU´s 2024 Pact on Migration and Asylum, which sets out new common rules on managing migration. It prioritises support to border states, with financial support from other EU countries. Its aim is to secure external borders with a faster and more efficient asylum procedure. The pact will be implemented in 2026.

Denmark’s policies have not been without controversy. The country has been criticised by the European Court of Justice, the UN committee against torture, Amnesty International and other international bodies.

But Frederiksen has received some support, including from Italian Prime Minister Giorgia Meloni, who has reached deportation deals with authoritarian regimes and governments like Libya, Tunisia and Egypt.

Frederiksen and Meloni led a group of EU countries pushing for reform of the European convention on human rights to ease deportation. She has also clearly had an influence on Keir Starmer, with the Labour government now seeking to implement Danish-style migration policies.

Fredriksen’s ideology and actions have been widely criticised by human rights groups. But they may further Frederiksen´s meteoric rise to a top position in international politics. She will need it, as her party is set to lose to the parties further to the left in the upcoming local elections.

The Conversation

Mette Wiggen 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. Denmark’s prime minister has led the country’s hardline migration policy – now she is trying to influence the rest of Europe – https://theconversation.com/denmarks-prime-minister-has-led-the-countrys-hardline-migration-policy-now-she-is-trying-to-influence-the-rest-of-europe-263932

Why small climate-vulnerable island states punch well above their weight in UN climate talks

Source: The Conversation – UK – By Emily Wilkinson, Principal Research Fellow, ODI Global

Few diplomatic organisations punch above their weight quite like the Alliance of Small Island States (Aosis). With no fixed budget, no permanent secretariat and no formal charter, it has still managed to shape some of the most important climate agreements of the past few decades – including the 1.5°C target that underpins the Paris agreement.

Founded in 1990, Aosis represents 39 small island and low-lying coastal states. Its members are among the most vulnerable to rising seas and extreme weather, yet together they have become the moral voice of global climate diplomacy.

The now familiar 1.5°C limit of global warming was far from guaranteed when countries gathered in Paris in 2015. Many expected the summit to be less ambitious and settle for a 2°C target – at best.

But Aosis had been working behind the scenes since a disappointing climate summit in Copenhagen in 2009, pushing for a scientific review of the costs and benefits of a 1.5°C target. That review, published in 2015, proved vital in securing the inclusion of 1.5°C in the Paris agreement. “One-point-five to stay alive” became the rallying cry of the small island nations: and it was having an impact.

How Aosis works

Aosis is a negotiating group rather than a formal organisation. It works through consensus and cooperation among its members, who vary widely but all share high vulnerablity to climate change.

Its work is spread between the chair’s team and member states’ permanent representatives at the UN, as well as heads of state and ministers. The role of chair rotates through the New York-based representatives, with Ilana Seid from the Pacific island nation of Palau currently serving.

Members meet frequently to develop joint positions ahead of major summits, pooling technical expertise and diplomatic resources that would otherwise be out of reach for many small states. While consensus building comes with compromise, the alliance ensures even the smallest states can consistently and actively engage in international diplomacy.

Past wins

Aosis has been influential from the very outset of the UN’s climate process. At the 1992 Rio Earth Summit (which paved the way for Paris), it arrived with 12 key objectives and walked away having achieved ten, including a specific article in the UN’s climate convention acknowledging that small island and low lying coastal states are particularly at risk.

Since then, Aosis has secured designated seats on key climate bodies, including the UN bureau that supports the summits, and boards of the Green Climate Fund, Adaptation Fund and Clean Development Mechanism.

The group also played a significant role in establishing the loss and damage fund in 2022, to help vulnerable countries recover from climate-related disasters. Aosis had first proposed funding for loss and damage back in 1991.

From island diplomacy to global courts

The influence of small island nations now extends into international law. A few years ago, Vanuatu, an Aosis member of only 300,000 people, led a campaign for the International Court of Justice (ICJ) to issue an advisory opinion on states’ obligations to tackle climate change.

The ICJ’s ruling, issued earlier this year, confirmed that states have legal duties to reduce emissions and protect people from climate change. This affirmed a principle Aosis had long argued for: the world’s most polluting nations have not just a moral duty to act, but legal obligations to fellow states and their citizens.

As Margaretha Wewerinke-Sing, part of Vanuatu’s legal team, put it: “The law seems to be catching up with the science. The question is now, will the policy catch up with the law?”

The agenda for Cop30

The annual UN climate summit currently taking place in Belém, Brazil – Cop30 – is the first since the ICJ advisory opinion. It should give some initial insight as to how Aosis plans to use this ruling.

First, it is seeking greater commitments to reduce emissions. Under the Paris agreement, countries were due to submit revised climate plans this year, but only 86 have been submitted, out of 197. Of the 64 fully analysed so far, less than a quarter are in line with the Paris agreement’s temperature goals. Aosis will use the ICJ opinion to stress that stronger targets are not just necessary but legally required.

Second, adaptation to climate change is becoming increasingly critical for island nations already living with rising seas and stronger storms. Aosis is calling for clearer targets and better tracking of adaptation finance under the Global Goal on Adaptation.

Third, Aosis wants developed countries to triple the volume of public climate finance by 2035 and leverage further funds to meet the US$1.3 trillion (£1 trillion) target under the “Baku to Belém Roadmap”. Without predictable finance, small islands cannot plan for the future.

Aosis made clear its stance ahead of this summit: “[we] will not join in a consensus at Cop30 that makes us co-signatories to our own destruction”. But as with the previous 29 Cops, long days and multiple agenda items mean small island delegations will be stretched thinly. The benefits of collaboration are therefore crystal clear.

The Conversation

Emily Wilkinson advises Aosis on adaptation and finance. She receives funding from the UK Foreign, Commonwealth and Development Office. She is affiliated with ODI Global.

Kira-Lee Gmeiner is affiliated with ODI Global.

ref. Why small climate-vulnerable island states punch well above their weight in UN climate talks – https://theconversation.com/why-small-climate-vulnerable-island-states-punch-well-above-their-weight-in-un-climate-talks-269050

How would a ‘drone wall’ help stop incursions into European airspace?

Source: The Conversation – UK – By Peter Lee, Professor of Applied Ethics and Director, Security and Risk Research, University of Portsmouth

Violations of national airspace by drones are on the rise in Europe. When European leaders discussed these events at a meeting in Copenhagen, Denmark, in October 2025, they responded by announcing plans for a defensive “drone wall”.

So what is a drone wall? Put simply, it is a network of sensors, electronic warfare equipment and weapons. This “multi-layered” defensive wall is intended to detect, track and neutralise incursions by uncrewed aircraft – drones.

If a drone wall was implemented in Europe, it would fulfil two main tasks: monitoring the situation along Nato’s eastern borders, where Russia is seen as a potential threat, and providing air defence against drones. It could potentially protect other airborne threats too, should hostilities break out.

It would not be a single, EU-owned system, but instead a network of national systems that can operate independently. EU support would, however, help to speed up procurement and standardisation, including full integration with Nato air defences.

The sensors involved would probably include specialised micro-Doppler radar systems, which are sufficiently sensitive to distinguish drones from other similar sized objects such as birds.

Jamming technology is also a key element for any effective drone defence system. These would send out radio frequency signals that interfere with the operation of an enemy drone – for instance, by disrupting the connection between the drone and the operator.

Finally, if the technology can be developed, a drone wall will eventually require drones to counter other drones. These small drones would require some means, probably using munitions, to intercept and destroy other incoming uncrewed aircraft. The EU is keen to develop effective versions of these air-to-air interceptor “defensive” drones. They have so far proved very difficult to create.

The Ukraine war has shown that drones launched to attack foreign targets can often be deployed in large numbers, or swarms.

Drone swarms currently consist of individual aircraft each controlled by an operator. Russia has also launched hundreds of its “fire and forget” Shahed-based drones at a time in single wave attacks on Ukraine.

But fully autonomous drones, made possible with the help of AI, are on the horizon. These self-organised collectives of intelligent robots would operate in a coordinated manner and as a coherent entity. So similarly coordinated defences will be needed.

Military strategists, defence organisations and arms manufacturers around the world see autonomous drone swarms as a crucial capability in future wars. These swarms would be able to attack multiple targets simultaneously, thereby overwhelming its defensive measures. That could include single, tactical level attacks against individual soldiers, or widespread attacks against cities and infrastructure.

Autonomous drone swarms will still be vulnerable to signal jamming if they need to communicate with each other or a human source. But if each drone is individually programmed for a mission, they would be more resistant to attempts to jam their signals.

Effectively defending Nato territory against drone swarms will require militaries to match the enemy drone capabilities in terms of size and in levels of autonomy.

Legal dimension

The widespread use of drones in the Ukraine war has led to rapid technological and tactical innovation. An example can be seen in responses to attempts by both sides to jam drone signals.

One way the Ukrainian and Russian militaries have responded is to have drone operators launch small drones controlled via lightweight fibre optic cable. Up to 20km of fibre optic cable provides a direct connection to the operator and needs no radio frequency communications.

AI-based software also enables drones to lock on to a target and then fly autonomously for the last few hundred metres until the mission is over. Jamming is impossible and shooting down such a small flying object remains difficult.

As autonomous capabilities evolve, however, there are legal ramifications to consider. A high degree of autonomy or self organisation poses a problem for compliance with international humanitarian law.

Central concepts in this area include distinguishing combatants from civilians, and proportionality – weighing civilian harm against military requirements. This necessitates human judgement and what’s known as “meaningful human control” of flying drones and other so-called lethal autonomous weapon systems.

The principle of meaningful human control means that key decisions before, during and after the use of force should be made by people, not AI software. It also ensures that humans remain accountable and responsible in the use of force.

In order to ensure this is possible, machines must remain predictable and their actions explainable. The last of these requirements is not straightforward with AI, which can often work in ways that even experts do not understand. This is called the “black box problem”. The expansion of autonomy in warfare means that the need for binding rules and regulations is as urgent as ever.

The European Union stresses that humans should be responsible for making life and death decisions. The difficult task, however, is to develop a drone wall with a high degree of autonomy and simultaneously enabling meaningful human control.

The Conversation

Ishmael Bhila received funding from the German Federal Ministry of Research, Technology and Space under grant number 01UG22064.

Jens Hälterlein receives funding from the German Federal Ministry of Research, Technology and Space under grant number 01UG22064.

Peter Lee 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 would a ‘drone wall’ help stop incursions into European airspace? – https://theconversation.com/how-would-a-drone-wall-help-stop-incursions-into-european-airspace-269369