![TED Talks News and Politics show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/030/149/small/tedtalks-news-and-politics.png)
Summary: Why is Al Gore optimistic about climate change? In this spirited talk, Gore asks three powerful questions about the man-made forces threatening to destroy our planet -- and the solutions we're designing to combat them. (Featuring Q&A with TED curator Chris Anderson)