The Florida Forest Service uses the Keetch-Byram drought index to estimate the dryness of the soil and duff layers. The index ...

Rescue crews on skis and snowcats battled blizzard conditions in an effort to reach six backcountry skiers trapped after an ...

A second consecutive year of below-average snowfall and above-average temperatures has firefighters across the Western United States concerned. In La Plata County, fire departments are anticipating ...

Up to 30% of bird diversity hotspots, places where large numbers of different bird species occur, in the western United States face threats from high-severity wildfires in the future that could ...

The Amazon's biggest trees store disproportionately more carbon than smaller trees do, new study finds. But in the Peruvian Amazon, large trees are currently prioritized for harvest.

The nonprofit announced it was fundraising to add 29,500 acres to its significant property in Piscataquis County ...

Crews have pushed through mountainous wilderness in California near Lake Tahoe during a snowstorm to rescue six backcountry skiers who survived an avalanche but were trapped by its snow and ice ...

Under a high avalanche warning in the Sierra, a slope near Lake Tahoe collapsed and buried a group of 15 skiers, killing at ...

Castle Peak, a 9,110-foot (2,777-meter) mountain north of Donner Summit, is a popular backcountry skiing destination. The ...