He has followed the international climate change process as a delegate, a researcher, and a member of the UNFCCC Secretariat.
"We hope that the US will continue to play a leadership role in the climate change process as people are worried about a repeat of the experience of the Kyoto protocol," which Washington never ratified, Liu told reporters.
Yvo de Boer who was the UN climate chief during the conference, says Copenhagen needed to be seen as a reality check for the climate change process.
While a Sino-U.S. bilateral effort is a critical element in any overall global climate strategy, it is not an alternative to the multilateral U.N. climate change process.
Gordon Brown today proposed setting up a global fund to "kick-start" the Copenhagen climate change process and encourage poorer countries to start cutting greenhouse gas emissions immediately.
"But I'm not sure one should be designing farm programs or crop insurance that are tied too much to some kind of climate change process until there's a little more concrete evidence behind it," Moore added.
Copenhagen turned out to be a grim, acrimonious affair, and the United Nations Framework Convention on Climate Change process now looks dangerously close to stalling.
Click on the image to see the ten ways, plus a list of the six key people in the Climate Change process.
The United States previously released its commitment to cutting emissions 26 to 28percentt below 2005 levels by 2025, in what is known as an Intended Nationally Determined Contributions, or INDC, through the United Nations Framework Convention on Climate Change process.
The Intergovernmental Panel on Climate Change Process (IPCC) provides vital, regular assessments of scientific literature.
