ScienceDaily: An editorial and letter, published simultaneously by the BMJ and Lancet, warn that failure to agree radical cuts in carbon dioxide emissions at the UN climate change conference in Copenhagen this December spells a global health catastrophe. The scientific evidence that global temperatures are rising and that man is responsible has been widely accepted since the Intergovernmental Panel on Climate Change’s report in 2007, write Lord Michael Jay and Professor Michael Marmot in the …