No, we have not lost two thirds of all species in the last 60 years.
I see this (or variations of) this claim all the time. It's (luckily!) a bad misunderstanding of the Living Planet Index (LPI) 👇
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IMD on LinkedIn: Welcome to the brave new world of eDNA and ecoacoustics
Navigating biodiversity accountability
With over two-thirds of species lost in the past 60 years and more than a million more at risk in the next decade…