Guardian: The UN has dropped the 31 January deadline by which time all countries were expected to officially state their emission reduction targets or list the actions they planned to take to counter climate change. Yvo de Boer, UN climate change chief, today changed the original date set at last month’s fractious Copenhagen climate summit, saying that it was now a “soft” deadline, which countries could sign up to when they chose. “I do not expect everyone to meet the deadline. Countries are …