Report Declares Global Wildlife Populations Are Plunging. But It's Complicated
The WWF report asserts that wildlife populations have dropped by a startling percentage since 1970. The details and extent of that decline, however, are more complex than any one number can capture.
Đọc thêm tại NPR
at October 28, 2016 at 02:47AM
Health & Science
Thứ Sáu, 28 tháng 10, 2016
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