EurActiv: Delegates from 186 nations are in Poznan, Poland today (1 December) to launch 12 days of talks designed to bring forward an international deal to tackle climate change. But the conference is currently overshadowed by an EU internal row over how to share the ‘effort’ of reducing CO2 emissions. Each December, parties to the United Nations Framework Convention on Climate Change (UNFCCC) meet for a major Conference of the Parties (COP), part of an ongoing international diplomatic process …