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 ...

said James Hansen, a former NASA climate scientist who led the team and whose 1988 testimony to Congress was one of the early public warnings about the risks of greenhouse gas emissions.

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 ...