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Thawing permafrost may release greenhouse gases much faster than previously expected, potentially accelerating climate change even further. Experiments conducted by researchers at the University of Leeds, and published in the AGU journal Earth’s Future, show that when permafrost thaws, it becomes 25 to 100 times more permeable. This change allows significantly greater amounts of climate-forcing gases to escape into the atmosphere.

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

Depleting THAAD and Patriot interceptor inventories threaten US extended deterrence, Gulf energy security, and the regional power balance amid sustained Iranian ballistic missile and drone assaults.

The Trump administration is releasing its proposal to undo the “endangerment finding,” the long-standing rationale and legal imperative for regulating greenhouse gases under the Clean Air Act

For the last 80 years, Thwaites has been losing more water through melting than it’s been gaining in snow.Half a metre of sea-level rise would submerge large parts of Asia’s coastal cities including Manila and Bangkok, as well as sizeable chunks of the Netherlands and the east of England. It’s also half of the sea-level rise needed to begin flooding Manhattan.

Stefan Rahmstorf, Professor of Physics os the Ocean at the University of Potsdam since 2000, presents a colloquium on the risks associated with the destabilization of the Atlantic Meridional Overturning Circulation (AMOC) and its potential consequences for the global climate.

There’s frustration among researchers that falling pH levels in seas around the globe are not being taken seriously enough, and that until the buildup of CO2 is addressed, the consequences for marine life will be devastating

Acute global food insecurity rose for the sixth year in a row in 2024, according to the 2025 Global Report on Food Crises (GRFC), a collaborative effort coordinated by the Food Security Information Network. The report shows that climate extremes, conflict, forced displacement and economic shocks continue to drive malnutrition and food insecurity around the world, with disastrous impacts on those living in many of the most vulnerable regions in the world.

Opinion | The latest floods, wildfires, and other disasters reveal the flaws of adaptation as the main response to climate change.

The researchers estimated an extra 8,000 people would die each year as a result of “suboptimal temperatures” even under the most optimistic scenario for cutting planet-heating pollution. The hottest plausible scenario they considered showed a net increase of 80,000 temperature-related deaths a year.

Analysis shows fossil fuels are supercharging heatwaves, leaving millions prone to deadly temperatures

The new study, led by researchers at the Global Systems Institute, University of Exeter, associated with the Earth Commission, and Nanjing University, assessed what this would mean for the number of people living outside the “climate niche” in which our species has thrived. It says about 60 million people are already exposed to dangerous heat (average temperature of 29°C or higher). And two billion – 22% of the projected end-of-century population – would be exposed to this at 2.7°C of global warming.

This research reinforces the scientific consensus that the only viable strategy to limit catastrophic climate change requires drastic and immediate emissions cuts. An important study was published last month in the journal Nature, titled “Overconfidence in climate overshoot.” While increasingly dire warnings of the catastrophic impacts of global climate change continue to be published by scientists, the findings of this new paper provide another stark reminder of the urgent necessity to limit global warming by immediately reducing greenhouse gas (GHG) emissions.

AMOC collapse would bring severe global climate repercussions, with Europe bearing the brunt of the consequences.

International lawyer challenging dangerous deep water petroleum production offshore Guyana

A UN meeting this week considered a motion on a suite of technologies known as ‘solar radiation modification’, but no consensus could be reached on the controversial topic.

Current climate policies will leave more than a fifth of humanity exposed to dangerously hot temperatures by 2100, new research suggests. The paper, published in the journal Nature Sustainability, is entitled "Quantifying the Human Cost of Global Warming."

The 21-year-old Iraqi, who lived by a smoke-choked oilfield, died of cancer. His message must be heard, says journalist Jess Kelly

Experts call for a new ‘Climate Endgame’ research agenda, and say far too little work has gone into understanding the mechanisms by which rising temperatures might pose a catastrophic risk to society and humanity.

Scientists say there are ample reasons to suspect global heating could lead to catastrophe. The risk of global societal collapse or human extinction has been “dangerously underexplored”, climate scientists have warned in an analysis. They call such a catastrophe the “climate endgame”. Though it had a small chance of occurring, given the uncertainties in future emissions and the climate system, cataclysmic scenarios could not be ruled out, they said.