According to a study published Monday in the Proceedings of the National Academy of Sciences, Earth is now possibly facing a “mass extinction” for only the sixth time in past 500 million years — and humans are allegedly to blame.
The study’s authors examined population trends for 27,600 species of amphibians, birds, mammals and reptiles and found an “extremely high degree of population decay.” This does not necessarily mean these species were found to be at risk of extinction, only that there has been population declines recorded.
“When public mention is made of the extinction crisis, it usually focuses on a few animal species (hundreds out of millions) known to have gone extinct, and projecting many more extinctions in the future,” the authors wrote. “But a glance at our maps presents a much more realistic picture: they suggest that as much as 50% of the number of animal individuals that once shared Earth with us are already gone, as are billions of populations.” – READ MORE
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