James Hansen's 2012 Research Linking Global Warming and Extreme Weather

The retiring NASA physicist and climatologist James Hansen has made some unequivocal statements about climate change. According to Hansen there is strong evidence to indicate that extreme weather is related to anthropogenic climate change. Hansen, with co-authors Reto Ruedy, also of NASA, and Makiko Sato, of Columbia University, have crunched decades’ worth of readings from more than 1,000 weather stations around the world as well as satellite observations and measurements from Antarctic research stations.

The peer-reviewed paper Hansen and his colleagues submitted stated “with a high degree of confidence” that some extremely high temperatures are in fact caused by human induced global warming.

Video - James Hansen on his Retirement from NASA and What Needs to be Done to Combat Global Warming

In this video Dr. James Hansen explains why he left NASA and his next steps. He also explains how the energy industry is impeding urgent climate action, and his wish for his grandchildren and future generations.


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Hansen is Retiring from NASA not the Fight Against Global Warming

James Hansen is retiring from NASA to get more directly involved in efforts to limit greenhouse gas (GHG) emissions. During his 46 year scientific career at the space agency, Dr. Hansen has issued some of the clearest and starkest warnings about the dangers of climate change. Hanson is leaving the Goddard Institute for Space Studies so that he can invest his energies into political and legal means of slowing humanity's reckless heating of the planet.

Dr Hansen is already a leader in the environmental movement, he regularly attends climate protests and he has even allowed himself to be arrested or cited many times. He has repeatedly indicated that if we are to have a chance of keeping global climate from surpassed critical maximum thresholds we will have end our dependence on fossil fuels, particularly tar sands oil, which has more GHG emissions than conventional oil.