Independent: The global effort to reach a legally binding agreement on tackling climate change has stalled. There is little prospect of a quick breakthrough when the negotiators reconvene at Cancun in Mexico in December. Nor is it likely that there will have been much progress by the time they meet again in Cape Town a year later. An ocean of ink and a lot of finger pointing has been offered to explain the near collapse of the Copenhagen talks last year. Much attention has been paid to the …