Guardian: The green movement as it stands should receive the last rites. Its only hope is for a complete overhaul. Its mystic, utopian view of nature and its attachment to meaningless notions such as sustainable development or the precautionary principle should be done away with. It is time to move on. Or so says Professor Anthony Giddens in his new book, The Politics of Climate Change. It is not that Giddens disputes that mankind is dangerously warming up the planet. The scientific evidence is …