The onset of some level of climate upheaval or widespread destruction of biomes and human lives, mild or severe, has ...

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

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

The world broke another monthly heat record in January, despite an abnormally chilly United States, a cooling La Nina and ...

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.

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

The UK could face dramatically colder temperatures as climate change wreaks havoc on ocean currents in the Atlantic that contribute to Britain's weather, a renowned climate scientist has warned.

The climate scientist James Hansen, who was among the first to publicly warn the world about climate change, said last year the 1.5 goal was “deader than a doornail.” This month he co-authored ...

Led by renowned if dissenting climatologist James Hansen, the paper appears in the ... mitigating some of the warming. An ambitious climate change scenario outlined by the UN's climate panel ...

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