Xinhua: Chinese and U.S. leaders on Tuesday vowed to promote bilateral cooperation in global response to climate change.
The pledge was made when Chinese Vice Premier Zhang Gaoli, who was here to attend the UN climate summit as Chinese President Xi Jinping's special envoy, met with U.S. President Barack Obama.
Zhang said that China, the largest developing country, and the United States, the largest developed country, have important duties in protecting the environment despite their differences in historical...