action on climate change is fading out as delegates get down to the business of negotiating a global deal at climate talks in Copenhagen
response to the challenge of climate change
# 15th meeting of the Conference of Parties begins Monday in Copenhagen
# Yvo de Boer, U.N. chief on climate talks, says nations must act now
# World's biggest emitters are the U.S. and China
# Firm funding for developing countries is seen as key to any deal
