Fewer than 20 extinctions a year: does the world need a single target for biodiversity?

Fewer than 20 extinctions a year: does the world need a single target for biodiversity?

A simple, measurable goal for biodiversity?

Last month, a team of researchers proposed creating one headline number to measure how well we are protecting biodiversity. They suggested that countries should aim to keep extinctions to “well below” 20 known species worldwide every year. The idea deserves serious consideration and thorough assessment, argues a Nature editorial.

Nature | 5 min read