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China conducted five large-scale tariff reductions in 2018, including starting to grant zero-tariff rates to imported cancer treatment drugs in May, cutting import tariffs on vehicles and auto parts in 218 tax items starting on July 1, and lowering the import duties on 1,585 tax items in the categories of mechanical and electrical equipment, spare parts, raw materials and other industrial products from Nov 1, data from the Ministry of Commerce show.

China expressed strong opposition, and the vast majority of the Council members did not support the US proposal, believing that the Hong Kong-related issues were China's internal affairs and had nothing to do with the mandates of the Security Council. The Security Council rejected the unreasonable request of the US, and its attempt failed.

China has also pioneered an increasingly prominent policy through promoting a model of the circular economy, going beyond the current linear pattern of take-make-dispose.

China has been effectively curbed in some key regions with high curtailment rates, according to Liang Zhipeng, deputy director of the new energy and renewable energy department of the National Energy Administration.

China experienced its third-highest average temperatures in more than six decades last year as greenhouse gas emissions in the country kept increasing, according to the China Meteorological Administration.