‘Wildlife populations down by half since the 1970s’

“For the first time since the demise of the dinosaurs 65 million years ago, we face a global mass extinction of wildlife. We ignore the decline of other species at our peril — for they are the barometer that reveals our impact on the world that sustains us.”

http://www.cbsnews.com/news/wildlife-populations-down-by-half-since-the-1970s/

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