Telegraph: The UK should cut greenhouse gases by at least 80 per cent by the middle of the century, according to a committee set up to advise the Government on climate change. Carbon emissions rise worldwide Gordon Brown says CO2 targets must be raised to 80% by 2050 Environment Agency: Coal power stations must have carbon capture and storage The Government is currently committed to reducing carbon emissions by 60 per cent by 2050. But the Committee on Climate Change, chaired by …