Portland, Ore. — Authorities in Oregon are trying to extinguish a fire burning in one of the world's tallest trees, near the state's southern coast. The Doerner Fir, a coastal Douglas Fir tree over ...

FRESNO, Calif. (AP) — A lightning-sparked wildfire in California’s Sierra National Forest burned Tuesday through a grove of giant sequoias and set some of the ancient towering trees on fire. Members ...

ATOP LOOKOUT MOUNTAIN, H.J. Andrews Experimental Forest — This summit face was the coldest part of the mountain, shaded in thick old-growth forest. But nearly two years ago — after a roasting-hot run ...

New research from Western Colorado University shows that the long-held conventional belief about aspen trees being resilient to wildfires is more than just an anecdotal assumption. Matt Harris, a ...

The Garnet fire burned into the McKinley grove of giant sequoia trees by Monday morning. Fire officials say several trees are burning and specially trained firefighters are on the way. A blaze raging ...

Climate Lab is a Seattle Times initiative that explores the effects of climate change in the Pacific Northwest and beyond. The project is funded in part by The Bullitt Foundation, CO2 Foundation, Jim ...

Giant sequoias can live for thousands of years, but wildfires have killed staggering numbers of the trees in recent years. By Soumya Karlamangla California fire crews are scrambling to save a grove of ...

A lightning-sparked wildfire in California’s Sierra National Forest burned Tuesday through a grove of giant sequoias and set some of the ancient towering trees on fire.Wildland firefighters with ...

Western Joshua trees in California are increasingly threatened by changing climate conditions, including rising heat, increasing drought, more frequent wildfires, and by expanding renewable energy and ...