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Wildlife now roam sites like Rocky Flats and Rocky Mountain Arsenal where U.S. once made nuclear and chemical weapons
From a tiny Pacific island to a leafy Indiana forest, a handful of sites where the United States manufactured and tested some of the most lethal weapons known to humankind...
Colorado farms turn to technology amid water warnings in Southwest U.S.
A drone soared over a blazing hot cornfield in northeastern Colorado on a recent morning, snapping images with an infrared camera to help researchers decide how much water they would...
Snowmelt fills Colorado River and other waterways in U.S. Southwest, easing drought fears
A welcome surge of melting snow is pouring out of the Rocky Mountains and into the drought-stricken rivers of the southwestern U.S., fending off a water shortage but threatening to...
EPA taking first big steps to clean up leaking Colorado mines
The U.S. Environmental Protection Agency will take the first major steps this summer to clean up wastewater flowing from dozens of old mines at a Superfund site in southwestern Colorado,...
U.S. Interior plans to pick new offices in West 鈥� possibly in Denver area
The U.S. Interior Department said Tuesday it plans to choose a Western city as the new headquarters for its vast public lands holdings by the end of September.
Pollution still drifting into Rocky Mountain National Park, according to government report
Harmful nitrogen pollution is still drifting onto fragile, high-elevation ecosystems in Rocky Mountain National Park from Colorado highways, power plants and livestock operations, state and federal agencies said.
EPA sets long-term goals for Superfund site created by Gold King Mine spill
The U.S. Environmental Protection Agency announced three long-term goals Wednesday for cleaning up the Bonita Peak Mining District Superfund site in southwestern Colorado.
Developer gets OK for road on public land near Wolf Creek Ski Area
The U.S. Forest Service approved construction of a road across public land to reach private property where a developer plans to build condos and restaurants at a remote Colorado ski...
Gold company says EPA is mishandling Colorado mining cleanup
A gold company said the U.S. Environmental Protection Agency is mismanaging the Superfund cleanup of nearly 50 old mining sites in southwestern Colorado and should be removed as the agency...
Landmark Air Force chapel suffering from leaks, corrosion
The landmark Cadet Chapel that towers over the U.S. Air Force Academy in Colorado is suffering from leaks and corrosion, so the school has drawn up the most ambitious restoration...