Regan E. Dunn, Associate Curator at La Brea Tar Pits and Museum; Adjunct Professor of Earth Sciences, USC Dornsife College of Letters, Arts and Sciences

TECH

Ancient forests took 100,000 years to recover from the last global warming period similar to today – Wyoming fossils reveal what happened

Fifty-six million years ago, Earth’s forests reached a tipping point. They had grown dense, lush…