Independent (UK): Copenhagen turned out to be a damp squib — derided by the Prime Minister yesterday as “at best flawed, at worst chaotic”. But the failure to reach a global deal also left UK electricity generators calling for the Government to guarantee the carbon price, or face missing its ambitious green targets. Few dispute that the key to cutting Britain’s emissions by 34 per cent by 2020, and 80 per cent by 2050, is to clean up electricity generation. But the economics are tricky at best. And …