At the current rate, the Paris Agreement goal of limiting global warming to somewhere between 2.7 degrees and 3.6 degrees Fahrenheit (1.5-2 degrees Celsius) is pretty much dead, said James Hansen ...

The surprising January heat record coincides with a new study by a climate science heavyweight, former top NASA scientist James Hansen, and others arguing that global warming is accelerating.

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

Those are the latest alerts in a new paper led by James Hansen, director of Columbia University’s Climate Science, Awareness and Solutions Program and a former director of NASA’s Goddard Institute for ...

White House, Trump repudiated the Paris Climate accords, appointed climate deniers and fossil fuel interests to run the ...

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

Reductions in air pollution have helped warm the planet by cutting down on reflective particles in the atmosphere – but researchers still disagree on the size of this effect ...

The surprising January heat record coincides with a new study by a climate science heavyweight, former top NASA scientist ...

The shift, Hansen et al argue, only underlines the need for doubling down on efforts to mitigate global warming before it ...

The world warmed to yet another monthly heat record in January, leaving scientists shocked. It was hoped that the La Niña weather which began in the same month would get 2025 off to a cooler start ...

Does cleaner air speed up global warming? James Hansen, a well-known climatologist who warned the U.S. Congress about global warming in the 1980s, is once again emphasizing that we might be ...

The surprising January heat record coincides with a new study by a climate science heavyweight, former top NASA scientist ...