Heat and dry weather records were set across the West in September, including at Death Valley, Calif.
After aggravating the West's destructive wildfires, record heat will engulf much of the country this week.
Wildfire season is off to a fast start in the Southwest, and dry summer anticipated may bring above average fire activity.
As oil spill cleanup continues along Montana's Yellowstone River, climate science reports show increasing risks of similar pipeline accidents from flooding.
A new study finds unusually large losses of springtime snow cover in the West in recent years, raising concerns about water supplies.
A new study shows that yellow starthistle, a highly invasive grassland weed, is likely to thrive in a world enriched by greenhouse gases.
In Colorado, the National Renewable Energy Laboratory has built one of the most energy efficient office buildings in the world.
Desert dust blown onto the West’s mountains causes snow to melt prematurely, costing the Colorado River five percent of its annual flow.