Al Gore bought carbon credits to cover his "global footprint." Sounds impressive, but in reality, if I thought the Earth was in such peril, paying to help maintain the Redwood Forest is a strange payoff. When any claim is repeated over and over, the mantra seems to become fact. One's rational thought and reason are "tweaked," and we just believe. "Yes we are in a warming, but CO2 has not been proven as the cause," says John R. Christy, who is a partial recipient of the Nobel Peace Prize and a climatologist. "Mother Nature simply operates at a level of...