Thứ Tư, 4 tháng 3, 2020

NPR News: Why China's Air Has Been Cleaner During The Coronavirus Outbreak

Why China's Air Has Been Cleaner During The Coronavirus Outbreak
Air pollution levels have dropped dramatically as power plants and factories have slowed down — potentially saving lives. But the public health benefits aren't so simple to calculate.

Read more on NPR
Làm đẹp Blog 247 March 5, 2020 at 03:13AM
Category Health & Science

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