"The Living Planet Index is the biodiversity metric that always claims the 
headlines. Unfortunately many of these headlines are wrong. The index is very 
easy to misinterpret.

The Living Planet Index reports an average decline of 68% across tens of 
thousands of wildlife populations since 1970. This does not tell us anything 
about the number of individuals, species or populations lost, or even the share 
of populations that are shrinking.

Before reporting on the Living Planet Index we should understand what it 
actually tells us about the world’s wildlife. We should also be aware of the 
misconceptions and pitfalls of using this index to capture the changes in more 
than 20,000 of the world’s animal populations."

https://ourworldindata.org/living-planet-index-decline

Brian Gibbons


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