Agence France-Presse: The head of the UN’s Nobel-winning panel of climate scientists on Friday said only seven years remained for stabilising emissions of global-warming gases at a level widely considered safe. Rajendra Pachauri, chairman of the Intergovernmental Panel on Climate Change (IPCC), delivered the bleak warning at a gathering of European Union ministers where he pleaded with the EU to take the lead in global talks on tackling climate change. The UN negotiations “must progress …