과학
Like Science Fiction: China Reduced Air Pollution by 98 Percent in 12 Years in its Capital Beijing
Beijing, the capital of China, has surprised the world by achieving a historic transformation in air quality in less than a decade.
In Beijing, which was shown as one of the cities with the dirtiest air in the world in 2013, the levels of harmful particulate matter known as PM2.5 showed a tremendous drop. This development, closely…
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