The Climate We Grew Up With Isn't Coming Back

We can't return to the climate we knew, but we can prevent an unbearable future.

The Ancient Roots of Modern Extinction

Extinctions marked by human influence are not new. They began in the stone age.

Mountain Time

How mountain belts travel through time and around the globe.

The Future of 35 Million Years Ago

The climate of the near future may look like the distant past.