Independent (UK): China has galvanised the run-up to the climate change talks in Copenhagen by announcing an ambitious target to reduce its carbon footprint. It is the first time the world’s biggest producer of greenhouse gases has committed itself to a reduction, and comes one day after the US announced its own target. Taken together, these signals of intent by the world’s two biggest producers give a powerful boost to the prospects for the talks. China said it will cut emissions of carbon relative to …