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 ...

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.

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

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

Led by renowned if dissenting climatologist James ... Hansen and colleagues argued, is a recent decline in sunlight-blocking ...

Stuart Scott: My name is Stuart Scott, coming to you live from COP21. Those of you who are here know an icon of climate change, Dr James Hansen, who I believe sounded the alarm, he's the Paul Revere ...

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

SOME scientists, including James ... on climate change. They have shown that many in the scientific community feel a moral obligation to engage in activism for climate action. For example, Hansen ...

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 ...