Outline · being written

Extinction now

How fast species are being lost, and the open debate over whether a sixth mass extinction has begun.

The working diagram Today’s rate of loss beside the background rate and the five great extinctions, each with its uncertainty.

Page type: A lesson, led by a working diagram
Collection: Human impact, life
Status: Planned and outlined. Every fact in it will be checked against a named source and listed on Sources before it goes up.

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