Mammals Are Going Extinct so Fast That Biodiversity Will Need Millions of Years to Recover

Mammals are going extinct at an alarmingly accelerated rate. Now, researchers say that recovering the lost biodiversity will take millions of years. The discovery suggests shifting conservation tactics to protect evolutionarily distinct species.Looming Species LossMass extinctions — when Earth loses more than three quarters of its species in a short geological period — have happened five times in the last half billion years. Scientists suggest a sixth is underway. As part of the