Climate change negotiators convening this weekend are hoping to renew momentum on a new global warming treaty after setbacks at the Copenhagen summit four months ago but the talks could easily turn into a round of recriminations. Delegates from 175 countries begin a three-day meeting in Bonn, Germany, on Friday with an open session meant to be a stocktaking.
But it could turn bitter over blame for the failure to deliver a firm agreement in the Danish capital on limiting manmade emissions of greenhouse gases, the cause of the Earth's rising average temperatures.