Why I must speak out on climate change: James Hansen at TED2012

Hansen’s grandson Jake is super-enthusiastic, “He thinks he can protect his 2 and a half day old little sister. It would be immoral to leave these people with a climate system spiraling out of control.”

From the TED blog:

Wearing his wide-brimmed hat, climate scientist James Hansen starts his TEDTalk by asking, ”What do I know that would cause me, a reticent midwestern scientist, to get arrested in front of the White House, protesting?”…

Read the entire posting.


  1. “It’s possible that 20-50% of all species could be extinct by end of century if we stay on fossil fuels.”

    Someone needs psychiatric evaluation.

    “a climate system spiraling out of control.”

    Uhhh . . . when was it in control?


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