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)
With the same humor and humanity he exuded in "An Inconvenient Truth," Al Gore spells out 15 ways that individuals can address climate change immediately, from buying a hybrid to inventing a new, hotter brand name for global warming.
Traditionally, Tom Rielly closes the TED Conference with a merciless 18-minute monologue, skewering all the speakers with his deadpan delivery, spot-on satire and boundary-less performance (complete with PowerPoint, pratfalls and partial nudity).