Those are the latest alerts in a new paper led by James Hansen, director of Columbia University’s Climate Science, Awareness ...

The rapid meltdown of polar ice could shut down a key ocean current by 2050, triggering catastrophic surges of sea level rise along the U.S. East Coast and dangerous climate shifts in northwestern ...

Holding long-term global warming to two degrees Celsius – the fallback target of the Paris climate accord – is now ...

A pioneering climate scientist says global heating is accelerating. Others say we can still reach climate goals ...

The European climate service Copernicus says the world warmed to yet another monthly heat record in January, despite an ...

Holding long-term global warming to two degrees Celsius – the fallback target of the Paris climate accord – is now ...

In a new analysis, acclaimed climate scientist Professor James Hansen and colleagues said that scientists had greatly underestimated the rate of global ...

The world’s nations agreed during the landmark Paris climate accord of 2015 to try to hold end-of-century warming to 1.5°C ...

Holding long-term global warming to two degrees Celsius -- the fallback target of the Paris climate accord -- is now ...

Theories suggest that a decrease in aerosols may be accelerating climate change. Does cleaner air speed up global warming?

A stark new analysis concludes that Earth's climate is more sensitive to rising greenhouse gas emissions than previously ...

Earth’s prolonged streak of abnormal heat continued into 2025 despite the arrival of La Niña ocean conditions, which ...