Reuters: Delegates walk past a polar bear dummy at the foyer of the entrance to the UN climate change conference in Poznan, Poland. About 10,600 delegates from 186 governments, businesses and environmental groups met in Poznan for talks halfway through a two-year push to agree on a new climate treaty in Copenhagen at the end of 2009 to succeed the Kyoto Protocol. Developing nations accused the rich of meanness yesterday at the end of UN climate talks that launched only a tiny fund to help poor …