Animal Populations Fell by 68 Percent in 50 Years and It’s Getting Worse

Bloomberg

The world’s animal populations shrunk an average of 68 percent between 1970 and 2016, a major study released this week found, spanning communities of mammals, birds, amphibians, reptiles and fish. The loss in biodiversity stems largely from how humans are using land to produce food, the authors say, and threatens the security and benefits those ecosystems have long provided humankind. 

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