The Sierra Club is suing the Imperial Irrigation District over its latest Colorado River water conservation agreement, ...

Despite taking around 350 additional samples along the Colorado River, Colorado Parks and Wildlife officials have yet to find any further discoveries of zebra mussels in the state.

A hot summer in Las Vegas pushed water consumption in August to the highest it has been all year, but the 2-year outlook for ...

Eastbound I-70 will be closed between exit 114 for West Glenwood and exit 133 for Dotsero until at least 2 p.m., according to ...

Gary Overman was dove hunting with his 9-year-old German shorthaired pointer in Arizona when she vanished. The pair were near ...

Pitkin County’s Healthy Rivers Board voted unanimously to approve a $28,000 grant request from the Roaring Fork Valley ...

A vast and storied stretch of desert land from the eastern Coachella Valley to the Colorado River could soon receive critical ...

Releases out of Ruedi have changed since the hydro plant began operating, with the reservoir now one of the most important ...

Colorado is among the country's top rafting destinations. The state has roughly 20 whitewater rivers, and commercial rafting ...

The hardships of daily life have led many Diné to move off reservation and into cities with modern conveniences and more ...

Weeks after California announced a $250 million public-private partnership with Google to fund local news outlets and develop ...

The former Navajo president seeks to represent a district with 14 of Arizona's 22 tribes in Congress. But demographics could ...