Beijing, Nov.17 China and the United States have said that they would work together for positive results at the Copenhagen Climate Change summit slated for December this year.

Chinese President Hu Jintao and his American counterpart Barack Obama said here on Tuesday that both the US and China were looking to pushing the international community to accept a comprehensive climate deal in Copenhagen, Denmark.

"President Obama and I agreed to expand the China-U.S. cooperation in the fields of climate change, energy and environment," Hu told the press after talks with visiting U.S. President Barack Obama.

China and the United States would cooperate with all sides concerned, on the basis of the "common but differentiated responsibilities" principle and their respective capabilities, to help produce positive results at the Copenhagen summit on climate change, said Hu Jintao.

China and the United States have signed documents of cooperation including a memorandum of understanding on enhancing cooperation on climate change, energy and the environment, and have officially launched an initiative on a joint research center on clean energy, he added. (ANI)