In a landmark shift, a new study has found that climate change is now the most pervasive human-caused threat to imperiled ...

The 100th meridian marks a dividing line between moist climates to the east and arid climates to the west. Climatologists now ...

Colorado could see more frequent and intense temperature swings, in part due to climate change. DENVER — Colorado is no ...

For example, Utah’s Zion National Park has four days annually on average above 92.4 degrees – its 99th percentile temperature ...

Carbon dioxide in the atmosphere hit “next-level” highs, scientists say. Earth’s ecosystems breaking down under extreme ...

As ancient communities shifted from foraging to farming, the forces driving this dramatic change weren’t always what many ...

County Farm Bureau president Kent Mellendorf, 66, has been farming since the early 1990s. On his 1,000 acres of farmland, he raises beef cattle and grows wheat, corn, soybeans, grass hay and alfalfa.

Among the many goals are to use land-use policy to reduce reliance on cars, make parks more accessible, increase the tree ...

Air pollution fell substantially as the city restricted car traffic and made way for parks and bike lanes. Over the past 20 ...