James Lovelock, PhD in Medicine, Chemist, Independent Scientist, Environmentalist. This renowned scientist, famous environmentalist and patron of Britain's SONE, Supporters of Nuclear Energy, is certain that catastrophic man-made global warming, climate disruption, sea-level rise is going to manifest itself in a few decades. Only the Pope is supposedly infallible and only when he speaks from the Pope's chair, "ex cathedra." Even then, some think the Pope can make mistakes in speaking. Scientists make mistakes all the times. But at least many of them are really searching for the truth.