Thirty years ago this week, NASA scientist James Hansen testified to Congress that the age of climate change had arrived.. The announcement shook the political establishment in 1988. George H. W ...

Climate scientist James Hansen is retiring from NASA this week to devote himself to the fight against global warming. Hansen's retirement concludes a 46-year career at NASA's Goddard Institute for ...

James Hansen, NASA Scientist Who Raised Climate Change Alarm, Is Retiring : The Two-Way But the man who issued one of the earliest warnings about the potential for global warming isn't going away ...

Aug. 29, 2011: NASA's leading climate scientist James Hansen, director of the Goddard Institute for Space Science, is arrested Monday outside the White House in a public protest over an oil pipeline.

NASA’s James Hansen, a controversial and highly vocal voice of alarm about the planet’s changing climate, will retire as the director of the Goddard space institute, NASA announced Tuesday ...

A NASA scientist named James Hansen offered a simple, straightforward and mind-blowing bottom line for the planet: 350, as in parts per million carbon dioxide in the atmosphere. At todays level of ...

James Hansen once directed the NASA Goddard Institute for Space Studies and now directs Columbia University's Program on Climate Science, Awareness and Solutions.

Your rather churlish editorial "Silenced -- 1,400 Times" (March 27) concludes by asking when James E. Hansen, who heads NASA's Goddard Institute "has time to do his real job." Aside from the need ...

Climate scientist James Hansen is retiring from NASA this week to devote himself to the fight against global warming. Hansen's retirement concludes a 46-year career at NASA's Goddard Institute for ...

Climate scientist James Hansen is retiring from NASA this week to devote himself to the fight against climate change. Hansen's retirement concludes a 46-year career at NASA's Goddard Institute for ...