Earth lost 50% of its wildlife in the past 40 years, says WWF

Species across land, rivers and seas decimated as humans kill for food in unsustainable numbers and destroy habitats
“If half the animals died in London zoo next week it would be front page news,” said Professor Ken Norris, ZSL’s director of science. “But that is happening in the great outdoors.
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Earth lost 50% of its wildlife in the past 40 years, says WWF | Alternet