for several decades. >> while al gore continues to travel in gas guzzling jets and s.u.v.s, all under the guys that his carbon off sets will even things out. >> you h see people like al gory former vice president, claiminga that all of his activities are fully offset, that they buy carbon off sets to counteract all of the emissions that he produces from flying around in his private jet plane. these carbon off sets are meant to make people feel less guilty about their high-flying lifestyles. >> although hollywood's influence is massive, a more powerful force has even more force over what you buy and how you live. >> the threat from climate serious. it is urgent, and it is growing. >> the green revolution has rev taken hold in democratic-controlled washington. and it's no wonder if the 2008 election cycle environmental groups gave democrats nearly all of their $2.8 million in don't