10/12/2008 05:12 am ET | Updated May 25, 2011

What if global warming was caused by very bad men with moustaches?

"If climate change was some type of nefarious plot visited upon us by very, very bad men with moustaches, then I guarantee you that our president would have us fighting a war on warming with or without Congressional approval."

Watch Harvard Psychologist, and author of the best-selling book Stumbling on Happiness, Dan Gilbert answering in his own way the question: Why haven't we rallied our collective power to solve global warning?

This is a video that really lays out why we are more likely to floss to save our teeth, than we are to change a light bulb to save our planet. Watch it, love it and send it to all your friends. I know its not a new video, but it's well worth getting out there again and again.

Part 1:

Part 2: