Reuters: Rich nations’ emissions reductions pledges fall dramatically short of what is required to limit global warming to two degrees centigrade, a group of 43 small islands said on Tuesday at U.N. climate talks. This week’s 185-nation conference in Bonn is the penultimate step before the next U.N. climate conference in December. Parties are trying to make progress on shaping a successor to the Kyoto Protocol, which expires in 2012. However, rifts continue between poorer nations and …