Colorado

Navajo Nation President Russell Begaye applauded more than 400 supporters and tribal leaders who gathered at the Monument Valley Welcome Center on Saturday, Jan. 7, to celebrate the designation of...

On a Saturday morning in December, Henry Warwick trudged through the slushy streets of Toronto, Canada, to attend an event at the University of Toronto’s towering Robarts Library. He took the...

Natural gas-processing plants would have to start publicly reporting toxic chemicals they release into the environment under proposed regulations the Environmental Protection Agency announced last...

The Rev. Ken Chambers has lived in West Oakland for all of his 50 years and grappled with air pollution the entire time. The neighborhood, on the eastern shore of San Francisco Bay, is surrounded...

President Barack Obama on Wednesday designated the Bears Ears National Monument in southeastern Utah, culminating an eight-decade-long effort to increase protections on the ecologically diverse,...

The Durango City Council approved a long-awaited lease Tuesday that will allow the city to manage recreation at Lake Nighthorse. “We have been waiting for this to be on the agenda since 2009,”...

The delta smelt, a tiny, silvery-blue fish hanging on for survival in California’s San Francisco Bay and Sacramento-San Joaquin estuary, is notorious among opponents of the Endangered Species Act....

ALBUQUERQUE – Salty soils and dry conditions throughout northwestern New Mexico’s Chaco Canyon would have made it difficult to grow enough corn to sustain the multitudes of people who resided at...

H.B. Wallace, better known as “Squire’ Wallace, died at Dolores, Colorado. He was a pioneer cattleman in Southwest Colorado and probably carried more lead in his body that any other human being in...

In “Mesa of Sorrows: A History of the Awat’ovi Massacre,” historian James F. Brooks takes an in-depth look at the destruction of a large Hopi village by neighboring Hopis in 1700. In the first...