Larry Brilliant: The case for informed optimism

We’ve known about global warming for 50 years and done little about it, says director Larry Brilliant. In spite of this and other depressing trends, he’s optimistic and tells us why. From Skoll World Forum, Oxford, UK, TEDTalks is a daily video podcast of the best talks and performances from the TED Conference, where the world’s leading thinkers and doers are invited to give the talk of their lives in 18 minutes — including speakers such as Jill Bolte Taylor, Sir Ken Robinson, Hans Rosling, Al Gore and Arthur Benjamin. TED stands for Technology, Entertainment, and Design, and TEDTalks cover these topics as well as science, business, politics and the arts. Watch the Top 10 TEDTalks on , at