Plentiful rainfall and fast-growing new capacity for other renewable sources have cut needs for fossil fuel.
For Muyu Xu's latest contributions to The Japan Times, see below:
Much of the new supply is of lower quality than before and burns more quickly in power stations.
Beijing has improved its air quality since China won its bid to host the Games, but the Ministry of Ecology and Environment has said the risks of winter smog remained "severe."
China no longer feels obliged to consider requests for deeper carbon cuts after former President Donald Trump rejected U.S. climate change commitments.
Events have conspired to disrupt the fragile flow of raw materials, parts and consumer goods, according to companies, economists and shipping specialists.