Countries leading the push for a Copenhagen treaty seemed to be resigned to failure – despite US legislation being approved in a key Senate committee, with most of them pointing the finger of blame Washington’s failure to make significant commitments on emissions cuts.

Negotiators said that the most that can be hoped for at Copenhagen is a political agreement on emissions cuts, while EU’s chief negotiator, Artur Runge-Metzger said a binding deal following that “should be done as early as possible ...