Helen Briggs: Human impact on nature 'dates back millions of years

Early human ancestors living millions of years ago may have triggered extinctions, even before our species evolved, a study suggests. A decline in large mammals seen in Eastern Africa may have been due to early humans, researchers propose. Extinction rates started to increase from around four million years ago. This coincides with the period when ancient human populations were living in the area, as judged by fossil evidence.

"We are now negatively impacting the world and the species that live in it more than ever before. But this does not mean that we used to live in true harmony with nature in the past," said study researcher, Dr Søren Faurby of the University of Gothenburg. "We are extremely successful in monopolising resources today, and our results show that this may have also been the case with our ancestors."..
https://www.bbc.com/news/science-environment-51068816

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