VIDEO James Hansen: Why I must speak out about climate change May 4, 2012 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. via Ted.comm Tags Climate Change Environment Global Issues James Hansen science Tech TED TED Talk TED Talks tedtalk tedtalks What's Your Reaction? Don't Like it!0 I Like it!0 0 Comments
