We're in the midst of the Earth’s sixth mass extinction crisis. Harvard biologist E. O. Wilson estimated that 30,000 species per year (or three species per hour) are being driven to extinction.

Habitat loss has been a big cause of extinction. This happens when we transform the natural landscape and use it for our own purposes, like for buildings or farming. In more recent history ...

We are researching the cause of megafaunal extinction in the last major extinction event. Hundreds of large mammal species disappeared during the transition from the last glaciation to the present ...