This gives us all sorts of exciting new things to deal with; in particular, a linked list of JPEG files that are queued for uploading and some pthread code.

The main obstacle may not be emissions cuts, which will not change much, but the closely linked issues of the shape of a deal and how much money it involves.

Medvedev also repeated Moscow's insistence that a deal must be linked to U.S. plans for a missile defense system in Europe — a plan that has infuriated the Kremlin.