From a piece on paleoclimatology in the New York Times (h/t, Owner's Manual):
Skeptics say CO2 crusaders simply find the Phanerozoic data embarrassing and irreconcilable with public alarms. “People come to me and say, ‘Stop talking like this, you’re hurting the cause,’ ” said Dr. Giegengack of Penn.
Read the whole piece. Classic case of abusing science for a political agenda. The scientific debate hasn't ended: it has just begun.
Image: a spectroheliogram image of good old Mr. Sun