Can species evolve fast enough to keep up with changing wildfire conditions? Kylie Mohr/High Country News Increasing frequent and intense fires are shaping how species change, according to a paper published last year in the journal Trends in Ecology & Evolution. While previous research tended to focus on a blaze’s immediate impacts — Did population numbers go up or … Continue reading Fire is Driving Animals’ Evolution
Tahoe avalanches: What causes innocent-looking snow slopes to collapse? A physicist and skier explains, with tips for surviving A skier at Palisades Tahoe, home of the 1960 Winter Olympics and site of a small but deadly avalanche in 2024. AP Photo/Rich Pedroncelli Nathalie Vriend, University of Colorado Boulder An avalanche swept up skiers at Lake Tahoe’s … Continue reading Tahoe Avalanches
Fires are increasing in high mountain areas that rarely burned in the past. John McColgan, Bureau of Land Management, Alaska Fire Service Mohammad Reza Alizadeh, Massachusetts Institute of Technology (MIT) and Mojtaba Sadegh, Boise State University As wildfire risk rises in the West, wildland firefighters and officials are keeping a closer eye on the high … Continue reading Fire danger in the high mountains is intensifying: That’s bad news for humans, treacherous for the environment
California’s snowpack was more than twice the average in much of the state in early March 2023. Mario Tama/Getty Images Dan McEvoy, Desert Research Institute After three years of extreme drought, the Western U.S. is finally getting a break. Mountain ranges are covered in deep snow, and water reservoirs in many areas are filling up … Continue reading Is the Western drought finally ending? That depends on where you look
Parts of the Mountain West could be nearly snowless for years at a time in just a few decades. Snowmaking at Aspen Highlands Ski Resort started on October 13, leaving spots of snow on the ground and aspen trees.Kelsey Brunner Sarah Sax/High Country News Across the Central Rockies, it’s been an unseasonably warm, dry year. … Continue reading Winter without Snow is Coming
Tools for a prescribed burn conducted in the Sierra Nevada in November 2019. Susan Kocher, CC BY-ND Susan Kocher, University of California, Division of Agriculture and Natural Resources and Ryan E. Tompkins, University of California, Division of Agriculture and Natural Resources Californians have been concerned about wildfires for a long time, but the past two … Continue reading MOVING BEYOND AMERICA’S WAR ON WILDFIRE: 4 WAYS TO AVOID FUTURE MEGAFIRES
Trees are dying of thirst in the Western drought – here’s what’s going on inside their veins Juniper trees, common in Arizona’s Prescott National Forest, have been dying with the drought. Benjamin Roe/USDA Forest Service via AP Daniel Johnson, University of Georgia and Raquel Partelli Feltrin, University of British Columbia Like humans, trees need water to … Continue reading Trees are Dying of Thirst in the Western Drought