Friday, March 16, 2012

James Hansen: Why I must speak out about climate change

17:52 video uploaded to You Tube by Ted Talks.

This is one of the clearest expositions about global warming and its consequences that I have ever heard.
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.


If you need more convincing, then explore the articles at this site.