I think Mr Cowen should stick to what he knows. Maybe the "debate" isn't over after all? "A United Nations climate change conference in Poland is about to get a surprise from 650 leading scientists who scoff at doomsday reports of man-made global warming - labeling them variously a lie, a hoax and part of a new religion. Later today, their voices will be heard in a U.S. Senate minority report quoting the scientists, many of whom are current and former members of the U.N.'s own Intergovernmental Panel on Climate Change. About 250 of the scientists quoted in the report have joined the dissenting scientists in the last year alone. In fact, the total number of scientists represented in the report is 12 times the number of U.N. scientists who authored the official IPCC 2007 report. " Scientists abandon global warming 'lie'