BBC: The head of the UN Framework Convention on Climate Change says he has seen “encouraging developments” in recent climate change negotiations. His comments come as the first “negotiating text” for the UN’s December climate change conference is published on the UNFCCC website. Yvo de Boer said this document marked “an important point on our road”. The text collates discussion proposals from all of the nations that will take part in the December talks. Mr de Boer said …