James Hansen: Why I must speak out about climate change

www.ted.com Top climate scientist James Hansen tells the story of his involvement in the science of and debate over global climate change. In doing so he outlines the overwhelming evidence that change is happening and why that makes him deeply worried about the future.TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world's leading thinkers and doers give the talk of their lives in 18 minutes. Featured speakers have included Al Gore on climate change, Philippe Starck on design, Jill Bolte Taylor on observing her own stroke, Nicholas Negroponte on One Laptop per Child, Jane Goodall on chimpanzees, Bill Gates on malaria and mosquitoes, Pattie Maes on the "Sixth Sense" wearable tech, and "Lost" producer JJ Abrams on the allure of mystery. TED stands for Technology, Entertainment, Design, and TEDTalks cover these topics as well as science, business, development and the arts. Closed captions and translated subtitles in a variety of languages are now available on TED.com, at http If you have questions or comments about this or other TED videos, please go to support.ted.com

By Marc Morano -- Climate Depot MSNBC, perhaps the most unlikely of news sources, reports on what may be seen as the official end of the man-made global warming fear movement. MSNBC April 23, 2012: 'Gaia' scientist James Lovelock reverses himself: I was 'alarmist' about climate change & so was Gore! 'The problem is we don't know what the climate is doing. We thought we knew 20 years ago' Contrast Lovelock's 2012 skeptical climate views with his 2007 beliefs during the height of the man-made climate fear movement. [ Flashback 2007: Lovelock Predicts Global Warming Doom: 'Billions of us will die; few breeding pairs of people that survive will be in Arctic' ] How fitting that a major organ of the man-made climate fear promotion, MSNBC, would deliver one of the final and most dramatic death knells to the climate movement. One of the founders of climate alarm bails out with help from the media that helped hype and propel the movement. More MSNBC article excerpts: Lovelock pointed to Gore's "An Inconvenient Truth" and Tim Flannery's "The Weather Makers" as other examples of "alarmist" forecasts of the future..."The problem is we don't know what the climate is doing. We thought we knew 20 years ago. That led to some alarmist books -- mine included -- because it looked clear-cut, but it hasn't happened," Lovelock said. "The climate is doing its usual tricks. There's nothing much really happening yet. We were supposed to be halfway toward a frying world now," he said. "The world ...