Originally Posted by NASA Administrator Michael Griffin

“To assume that [global warming] is a problem is to assume that the state of the Earth’s climate today is the optimal climate, the best climate that we could have or ever have had and that we need to take steps to make sure it doesn’t change,” he said. “First of all, I don’t think it’s within the power of human beings to assure that the climate does not change, as millions of years of history have shown.”
“Second of all, I guess I would ask which human beings—where and when—are to be accorded the privilege of deciding that this particular climate that we might have right here today, right now, is the best climate for all other human beings. I think that’s a rather arrogant position for people to take.”