Climate Change Lecture: "Why we need energy, why burning all the fossil fuels is not the best idea, and what we can do instead"

The speaker, Richard Alley, is a renowned climate scientist/glaciologist and is the author of "The Two Mile Time Machine: Ice Cores, Abrupt Climate Change, and Our Future" and "Earth: The Operators Manual", a companion volume to the 3-part PBS series of the same name. He is a member of the Intergovernmental Panel on Climate Change, and as such, is one of many co-recipients of the 2007 Nobel Prize