MONTPELIER, Vt. — The very disease that has decimated millions of American elms in the U.S. is now being used to bring the iconic trees back. In Vermont, Leila Wilson, a research ecologist with the U.S. Forest Service, is one of the scientists leading an effort to beat Dutch elm disease, which has killed tens
The fossil record preserves this same fragmented leaf litter. Comparing the shapes of thousands of epidermal cells with the leaf area index we measured revealed a remarkably strong relationship: The more elongated the cells, the denser the forest canopy above them. That relationship allowed us to reconstruct the structure of Wyoming’s forests millions of years
Satellite data shows a browning trend across the planet since around the turn of the century. Credit: ezypix/Getty Around 56 million years ago, a sharp rise in carbon dioxide in the atmosphere led to severe global warming that transformed the planet’s surface. A detailed reconstruction of an ancient ecosystem suggests that this transformation included a
SALT LAKE CITY — Reviewing actions from his first term that were reversed, President Donald Trump announced Monday that he will shrink the Bears Ears and Grand Staircase-Escalante national monuments in Utah. The Republican’s actions undo proclamations by his predecessors that deemed sites worthy of preservation under the Antiquities Act, a 1906 law that gives