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

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

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 ...

former top NASA scientist James Hansen, and others arguing that global warming is accelerating. It's a claim that's dividing the research community. January 2025 globally was 0.09 degrees Celsius ...

The Father of Climate Change Awareness James Hansen is a name synonymous with climate change science due to his pivotal role ...

James Hansen, a former Nasa scientist now at Columbia University, said the record temperatures of the past two years were the first payment owed on a “Faustian bargain”, where air pollution in effect ...

El Niño's cooler flip side, a La Niña, tends to dampen the effects of global warming, making record temperatures far less ...

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 ...

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

Led by renowned if dissenting climatologist James Hansen ... "That scenario is now impossible," said Hansen, formerly a top NASA climate scientist who famously announced to the US Congress ...

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