Changing Sides on Global Warming

Special Report gives us the scoop on scientists who have changed their minds on global warming:

One of France's most decorated geophysicists has changed his mind about global warming. Claude Allegre — who is the author of 11 books and a member of both the French and U.S. Academy of Sciences — had previously expressed grave concern over mankind's role in global warming. But now Allegre writes in a French newspaper that "the cause of climate change remains unknown." He says, for example, that Mount Kilimanjaro is not losing snow due to global warming — but because of local land use and precipitation changes.

Meanwhile a glacier expert with the Chinese Academy of Sciences is discounting previous forecasts that glaciers across Western China could disappear in 50 years. Zhang Wenjing does not question global warming — but says it would take centuries to melt the dense ice packs in that region.

They must not be evangelicals.