What does the United Nations Climate Summit mean?

1. The purpose of the United Nations Climate Summit is to discuss "how to deal with global climate change", promote the global action of "One World" and promote the progress of the Copenhagen Climate Conference.

2. The leaders will be divided into small round tables, and each group will be co-chaired by a developing country leader and a developed country leader.

3. EU urges other rich countries to fulfill their commitments and reduce their carbon emissions to 20% less than the level of 1990 by 2020; It also said that if other rich countries follow this plan, the EU's emissions will be reduced by 30% compared with 1990.

4. Announce "impressive" measures to control greenhouse gas emissions and become a "world leader" in tackling climate change. The summit will make substantial progress under the impetus of China-China's emission reduction plan has made it a leader in tackling climate change.