Climate talks in danger of unravelling as China and US clash | World news | The Guardian

Environmentalists fear Copenhagen deal could fall apart over backsliding and changes to demands
...
Global climate talks have sunk to a new low after China and the US clashed and rich countries lined up against poor in a refusal to compromise on emission reduction targets.
...
"Events outside [such as the Russian heatwave and the Pakistan floods] are consistent with what we can expect from climate change," said Jonathan Pershing, the lead US negotiator at this week's meeting in Bonn. "But I am very concerned that some countries are walking backwards in the progress made since Copenhagen. If we continue to go down this road, there is no hope of an agreement in Cancun. All parties are stepping back."