Hansen and his co-authors write in the paper that "impacts on people and nature will accelerate" as global warming increases toward the 2-degree threshold.

James Hansen wishes he was wrong. He wasn’t. NASA’s top climate scientist in 1988, Hansen warned the world on a record hot June day 30 years ago that global warming was here and worsening.

Science The Rate of Global Warming During Next 25 Years Could Be Double What it Was in the Previous 50, a Renowned Climate Scientist Warns Former NASA climate scientist James Hansen urged Congress ...

Over a five-decade career, climate scientist James E. Hansen became a foremost champion for climate change activists, who see him as a fearless truth teller, and a bête noire for global warming ...

Back in 1988, when Hansen was among the first and most credible scientists to sound the alarm about global warming, he, Ruedy and several co-authors came up with the concept of “climate dice.” ...

NEW YORK >> James Hansen wishes he was wrong. He wasn’t.NASA’s top climate scientist in 1988, Hansen warned the world on a record hot June day 30 years ago that global warming was here and ...

NEW YORK - James Hansen wishes he was wrong. He wasn't. NASA's top climate scientist in 1988, Hansen warned the world on a record hot June day 30 years ago that global warming was here and ...

NEW YORK (AP) — James Hansen wishes he was wrong. He wasn’t. NASA’s top climate scientist in 1988, Hansen warned the world on a record hot June day 30 years ago that global warming was here ...