Thứ Sáu, 5 tháng 5, 2017

NPR News: America's Protected Natural Areas Are Polluted, By Noise

America's Protected Natural Areas Are Polluted, By Noise
A new survey shows that cars, planes and other forms of noise pollution are rampant across the American wilderness. In many cases, human-made noise is drowning out the background sounds.

Đọc thêm tại NPR
at May 5, 2017 at 01:32AM
Health & Science

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