Telegraph: Gordon Brown is facing another significant backbench revolt over his climate change policy, it has emerged. More than 80 MPs are said to be backing an amendment to the Government’s Climate Change Bill to make cuts to greenhouse gases far more drastic. The Bill currently calls for a legally enforceable 60 per cent cut in UK carbon dioxide emissions by 2050. However, the rebel MPs say it should be raised to 80 per cent as the 60 per cent goal will not do enough to control …