Guardian: A leading UK climate scientist today warned MPs that the government’s climate change policies are "dangerously optimistic". Professor Kevin Anderson, the director of the Tyndall Centre for Climate Change Research, said the government’s planned carbon cuts – if followed internationally – would have a "50-50 chance" of limiting the rise in global temperatures to 2C. This is the threshold that the EU defines as leading to "dangerous" climate change. Anderson also said that the two …