The draft agreement will serve as the basis for a treaty to be signed in Paris next year . The elements hammered out in two weeks by about 190 countries at the 20th Conference of Parties ( COP20 ) will serve as the basis for an international climate treaty to be signed in Paris next year , the U.N . But it is not clear whether countries that have ratified the accord would then need to ratify any new international climate change agreement. Developed and developing countries will have different responsibilities .
The draft agreement will serve as the basis for a treaty to be signed in Paris next year . But it is not clear whether countries that have ratified the accord would then need to ratify any new international climate change agreement. Developed and developing countries will have different responsibilities .