Obama had been planning to attend the early stages of the Copenhagen summit that could lay the groundwork for reductions in greenhouse gas emissions well into the century . U.S. and China have not offered to go far enough to combat climate change , a top EU official says . 15th meeting of the Conference of Parties begins Monday in Copenhagen . Summit aim to strike deal on successor to 1997 Kyoto Protocol . Comment:
U.S. and China have not offered to go far enough to combat climate change , a top EU official says . 15th meeting of the Conference of Parties begins Monday in Copenhagen . Summit aim to strike deal on successor to 1997 Kyoto Protocol . Comment: