Scientists reconstructed a Wyoming forest from 56-million-year-old fossil leaves; it lost about 60% of its canopy during ancient warming and took more than 100,000 years to recover
Wyoming tetons Representative image from Canva Deep in the rock record of Wyoming, a layer of fossil leaves tells a quiet but powerful story about what happens to forests when the planet warms rapidly. About 56 million years ago, during a spike in global temperatures known as the Paleocene Eocene Thermal Maximum (PETM), a lush…
