U.S. and China have not offered to go far enough to combat climate change , a top EU official said . Obama has discussed the status of climate change negotiations with the leaders of Australia , Britain , France and Germany , the White House said Friday . 15th session of the Conference of Parties begins Monday in Copenhagen . Summit aim to strike deal on amendments to 1997 Kyoto Protocol . A look at the scientific consensus on global warming on tonight 's Campbell Report , CNN 8 pm . ET .
U.S. and China have not offered to go far enough to combat climate change , a top EU official said . 15th session of the Conference of Parties begins Monday in Copenhagen . Summit aim to strike deal on amendments to 1997 Kyoto Protocol . A look at the scientific consensus on global warming on tonight 's Campbell Report , CNN 8 pm . ET .