Geologists now believe that a massive volcanic eruption was the cause of the late Ordovician mass extinction. This is the …

http://www.depopulation.news/2017-07-30-a-single-volcanic-eruption-caused-one-of-the-planets-most-devastating-mass-extinctions-scientists-discover.html

The planet’s animal population is rapidly dwindling, with about two-thirds expected to be wiped out by 2020, a recent analysis revealed. …

http://www.depopulation.news/2017-04-27-mass-die-offs-accelerate-across-the-planet-by-2020-two-thirds-of-wild-animals-will-be-wiped-out.html