To restart cooperation, the US side should seriously reflect on what it has done on the Taiwan issue and not take any action that could lead to an escalation of tension.
Kerry said he sent an email to China's special envoy on climate change affairs, Xie Zhenhua in September, but received no response.

Officials warned that recent floods in Pakistan would disrupt economic growth and cause severe food shortages.
Photo Credit: AAMIR QURESHI/AGENCE FRANCE-PRESSE/GETTY IMAGES
In October, to slow down China's progress in developing advanced technology, the Biden administration announcedThe tense relationship between the US and China has once again intensified.
The impact of the war in Ukraine on climate negotiations has intensified in recent months. As the climate and environment ministers of the Group of Twenty (G20) were preparing to meet in August, they soon realized that under the influence of the Russian-Ukrainian war, it was impossible for countries to reach a consensus.
Officials participating in these talks said that the United States, European countries and their allies hoped to call the Russian-Ukrainian conflict a war in their concluding remarks at the conference and describe its adverse effects on the global energy market. Russian officials, on the other hand, only wanted to mention “geopolitical tension.” Officials said that Indonesia, the host country of the G20 summit in Bali, wanted to put aside the dispute over Ukraine at the time, and China, India, and other developing countries also supported this approach.
According to officials familiar with the relevant discussions,...