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Exclusive: Commission says alert would trigger coordinated international response that could help avoid millions dying. The climate crisis should be declared a global public health emergency by the World Health Organization, or millions more people will die unnecessarily, leading international experts have said. The independent pan-European commission on climate and health, which was convened by the WHO, concluded the climate crisis was such a worldwide threat to health that the WHO should declare it “a public health emergency of international concern” (Pheic).

Norway’s energy minister says country has a ‘responsibility’ to address shortfalls caused by wars in Ukraine and Middle East

The process of relocating people from New Orleans should start immediately, as the city has reached a “point of no return” that will see it surrounded by the ocean within decades due to the climate crisis, a stark new study has concluded. Ongoing sea-level rise and the rampant erosion of wetlands in southern Louisiana will swallow up the New Orleans area within a few generations, with the new paper estimating the city “may well be surrounded by the Gulf of Mexico before the end of this century”.

The critical Atlantic current system appears significantly more likely to collapse than previously thought after new research found that climate models predicting the biggest slowdown are the most realistic. Scientists called the new finding “very concerning” as a collapse would have catastrophic consequences for Europe, Africa and the Americas.

Analysis of six extreme heatwaves found when temperature and humidity were accounted for, all were potentially deadly for older people

The world has become well versed in the importance of the strait of Hormuz to the world’s energy flows, but attention is increasingly turning to its vital role in another market – the fertiliser on which harvests depend. A third of the global trade in raw materials for fertiliser passes through the maritime choke point, which is also the route for 20% of shipments of natural gas, which is required to make it.

Lorsque James Prescott Joule a donné son nom à une unité d’énergie, il n’aurait pas pu prévoir les calculs alarmants d’aujourd’hui. L’unité principale de l’effondrement climatique est le zettajoule…

Anti-authoritarian rallies, taking place in all 50 states plus 16 countries, are expected to be biggest in US history

The fragility of the global food system fills me with dread – and the war with Iran has exposed just how close to collapse it is

Nous laissons les grandes entreprises jouer avec nos vies. Agissez maintenant, sinon la nourriture pourrait venir à manquerLa fragilité du système alimentaire mondial m’emplit d’effroi – et la guerre avec l’Iran a révélé à quel point il est proche de l’effondrement.

Wael Sawan warns of pressure on diesel and petrol if strait of Hormuz does not reopen to oil and gas shipping

When James Prescott Joule lent his name to a unit of energy, he could not have foreseen today’s alarming calculations

Oil has empowered capitalism, and some of the world’s most exploitative regimes. Move away from it and we can solve some of the key issues we face

Trump a lancé une attaque sans précédent contre l’environnement. Où est la riposte ? Les climatosceptiques s’attendaient à plus de résistance face à l’offensive en faveur des énergies fossiles. Mais les démocrates, les milliardaires et les militants sont restés silencieux. ...

Le réchauffement climatique continu pourrait engager une trajectoire irréversible en déclenchant des points de bascule climatiques, mais la plupart des gens n’en ont pas conscience. Le monde est plus proche qu’on ne le pensait d’un « point de non-retour » au-delà duquel un emballement du réchauffement climatique ne pourrait plus être arrêté, ont averti des scientifiques.

L’économie mondiale doit cesser de céder aux « désirs frivoles des ultra-riches », affirme un expert de l’ONU Olivier De Schutter estime qu’un nouvel agenda économique est nécessaire pour faire face aux crises de l’inégalité croissante et de l’effondrement écologique.

Critics say brash, bombastic Fox News host out of his depth to guide US military through murky new Middle East conflict

Residents report terror of smoke-filled city, from potentially toxic rain, air and water to food scarcity and difficulty of escape

The US was an oligarchy well before Trump’s first term. Recognizing this reality is essential to building a true democracy

Seven Ukrainians arrested and money-laundering investigation launched in latest spat between Kyiv and Budapest

Researchers identify sharp rise to about 0.35C every decade, after excluding natural fluctuations such as El Niño

Trump has launched an unprecedented assault on the environment. Where’s the pushback?

Fears US-Israeli onslaught could lead regime to push for bomb or embolden other groups to steal uranium stockpile

Olivier De Schutter says new economic agenda needed to tackle crises of rising inequality and ecological collapse

Even as weather extremes worsen, the voices calling for the rolling back of environmental rules have grown louder and more influential

Extinction Rebellion says some members have been visited by agents claiming to be FBI amid Trump’s threats toward liberal groups

Des modèles économiques défaillants pourraient faire s’effondrer l’économie mondiale à cause de la crise climatique, préviennent des experts. Les États et les institutions financières utilisent des modèles qui ignorent les chocs liés aux événements météorologiques extrêmes et aux points de bascule climatiques.

Doyne Farmer says a super-simulator of the global economy would accelerate the transition to a green, clean world

Continued global heating could set irreversible course by triggering climate tipping points, but most people unaware

I know it’s almost impossible to turn your eyes away from the Trump show, but that’s the point. His antics, ever-grosser and more preposterous, are designed to keep him in our minds, to crowd out other issues. His insatiable craving for attention is a global-threat multiplier. You can’t help wondering whether there’s anything he wouldn’t do to dominate the headlines.

La production alimentaire et les combustibles fossiles causent 5 milliards de dollars de dégâts environnementaux par heure Un rapport du PNUE affirme que mettre fin à ces dommages est essentiel à la transformation mondiale nécessaire « avant que l’effondrement ne devienne inévitable ».

States and financial bodies using modelling that ignores shocks from extreme weather and climate tipping points

Exclusive: Ben Goldsmith will work on issues including fishing and green belt preservation to attract green Tories

Dario Amodei questions if human systems are ready to handle the ‘almost unimaginable power’ that is ‘potentially imminent’

Testimony from medics, morgue and graveyard staff reveals huge state effort to conceal systematic killing of protesters

The world has entered an era of “global water bankruptcy” that is harming billions of people, a UN report has declared. The overuse and pollution of water must be tackled urgently, the report’s lead author said, because no one knew when the whole system could collapse, with implications for peace and social cohesion. All life depends on water but the report found many societies had long been using water faster than it could be replenished annually in rivers and soils, as well as over-exploiting or destroying long-term stores of water in aquifers and wetlands.

Scientists expect 41% of the projected global population to face the extremes, with ‘no part of the world’ immune

L’effondrement de la biodiversité menace la sécurité du Royaume-Uni, avertissent les chefs du renseignement […] La destruction des écosystèmes va accroître les pénuries alimentaires, le désordre et les migrations de masse, des effets déjà visibles.

Ecosystem destruction will increase food shortages, disorder and mass migration, with effects already being felt

As climate and geopolitics shocks bite, countries are rebuilding food buffers. The UK clings to neoliberal ideas while households pay the price

US demand to own Greenland leaves little scope for compromise, and forcing the issue would entail end of Nato Greenland, with a population of fewer than 57,000, might not seem to be the territory on which the future of the relationship between Europe and the US, the viability of Nato as the world’s most successful defence alliance, or even the fractured relations between the UK and Europe would be determined. But battlefields are sometimes the product of chance, rather than choice. It now feels as if Donald Trump’s threat to impose 10% tariffs on eight fellow Nato states for sending troops last week to support Greenland’s sovereignty may be one of those clarifying moments in which Europe had no option. Successive European leaders condemned Trump’s blackmail and intimidation on Sunday and they sounded as if they meant it.

Progress of artificial general intelligence could stall, which may lead to a financial crash, says Yoshua Bengio, one of the ‘godfathers’ of modern AI

Nous vivons une époque de polycrises. Si vous vous sentez coincé·e, vous n’êtes pas seul·e. Je n’avais pas pleinement compris à quel point l’idée d’un avenir meilleur me soutenait – aujourd’hui, comme beaucoup d’autres, j’ai du mal à être productive

We are living in a time of polycrisis. If you feel trapped – you’re not alone. I hadn’t fully grasped how the idea of a better future sustained me – now I, like many others, find it difficult to be productive

Bronwen Maddox says Trump’s rejection of international law leaves UK and Europe facing huge dilemma

Trump is no longer bending the rules – he is demolishing them, with consequences far beyond Caracas

Legal action has brought important decisions, from the scrapping of fossil fuel plants to revised climate plans

The activist and author of Here Comes the Sun discusses rapid advances in solar and wind power and how the US ceded leadership in the sector to its main rival

From floods to droughts, erratic weather patterns are affecting food security, with crop yields projected to fall if changes are not made

Study author says tech companies are reaping benefits of artificial intelligence age but society is left to pay cost