We are entering a mass extinction that threatens humanity’s existence, says a new study
Earth’s species are disappearing faster than at any time since the dinosaurs’ demise, some 15 to 100 times faster than the normal rate between past mass extinctions.
That’s according to a new study by a team of scientists from Stanford, Berkeley, Princeton, University of Florida and Universidad Autónoma de México, published in the journal Science Advances on June 19, 2015. The scientists call for fast action to conserve threatened species, populations and habitat, but warn that the window of opportunity is rapidly closing.
Gerardo Ceballos of the Universidad Autónoma de México is the study’s lead author. Ceballos said:
If it is allowed to continue, life would take many millions of years to recover, and our species itself would likely disappear early on.
There is general agreement among scientists that extinction rates have reached levels unparalleled since the dinosaurs died out 66 million years ago. However, some have challenged the theory, believing earlier estimates rested on assumptions that overestimated the crisis.
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