Is air pollution a serious problem in China?
Although air pollution has long been a serious problem in China, it only recently emerged as a topic of significant public concern (Li and Tilt, 2019;Ahlers and Hansen, 2017; Aunan, Hansen, and Wang, 2018).
Is complex air pollution a problem in Chinese mega-city clusters?
The complex air pollution caused by PM and O 3 (the third frequent major pollutant) is an emerging problem that threatens the public health, especially in Chinese mega-city clusters. NOx controls were more beneficial than SO 2 controls for improvement of annual PM air quality in the northern China, central, and southwest regions.
What are the major pollutant concentrations over China?
The highest rate of a major pollutant over China was PM2.5 followed by PM10, O3, NO2, SO2 and CO. Meteorological conditions were the primary factor determining day-to-day variations in pollutant concentrations, explaining more than 70% of the variance of daily average pollutant concentrations over China.
How did China prevent soil pollution?
In 2019, China’s first comprehensive law to prevent soil pollution took effect, requiring polluters to limit their output or pay for contamination. Two years later, China banned the import of all waste from other countries. Nuclear waste.
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