He said the Paris Climate Agreement was a "disaster" for the US, adding that the deal would have resulted in trillions and trillions of dollars of destruction to America.
The provinces of Henan and Yunnan, as well as the region of Guangxi, were accused of "superficial", "fake" or "perfunctory" rectifications in a latest review by the Chinese govt
China is in the fifth year of a "war on pollution" aimed at reversing the damage done to the country's environment since the economy was opened up in 1978
China, the world's biggest polluter, has a four-tier colour-coded warning system for severe weather, with red being the most serious, followed by orange, yellow and blue.