Because they have an agenda to promote. It has very little to do with the environment as a whole and more about the environment they can create and feel fuzzy about.
My kids have not seen the video. Private, Christian education rules.
1/19/09, the last day of Free America.
Pericles "Freedom is the sure possession of those alone who have the courage to defend it. "
"[T]he people alone have an incontestable, unalienable, and indefeasible right to institute government and to reform, alter, or totally change the same when their protection, safety, prosperity, and happiness require it." --Samuel Adams