Study identifies 6th mass extinction event, lists human activity as primary cause

Ariel Hayat/Senior Staff
The Steller's sea cow went extinct only 27 years after being discovered in the North Pacific in 1741. It acts as an example of modern species extinction caused by human-related activities.

After years of warnings from ecologists about the dangers of biodiversity loss, a new study has quantified an ongoing mass extinction event — the sixth in our planet’s history — and suggests humans are largely to blame.
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