Leading Climate Change [Hoax] Expert Answers Your Questions

(Media-Newswire.com) - Washington — How do we know that the rise in greenhouse gases is changing our climate? What role does human activity play? How will climate change alter life on Earth?

Few people do a better job answering these questions than University of California professor David Lea, the first speaker in the U.S. Department of State’s climate change webchats. It’s the second season we host these programs to build a dialogue and spread knowledge about an issue that affects people worldwide.