James Hansen: Why I must speak out about climate change
http://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 … source …Read More
Tag: TED2012
We need to talk about an injustice | Bryan Stevenson
http://www.ted.com In an engaging and personal talk — with cameo appearances from his grandmother and Rosa Parks — human rights lawyer Bryan Stevenson … source …Read More
