Study finds "extremely high degree of population decay in vertebrates" outlining "the seriousness for humanity of Earth’s ongoing sixth mass extinction event" - discu.eu

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Study finds "extremely high degree of population decay in vertebrates" outlining "the seriousness for humanity of Earth’s ongoing sixth mass extinction event" http://www.pnas.org/content/early/2017/07/05/1704949114 19 comments 11/7/2017 science