Air Monitoring To Continue After Suncor's Orange CloudAir monitoring will continue following a yellow-orange cloud release from the Suncor plant in Commerce City. That cloud could be seen for miles Friday afternoon.
Firefighters Respond To HazMat Incident At SuncorFirefighters responded to a hazardous materials incident in Commerce City that Suncor claimed was caused by "catalyst dust."
US Declines Prosecution Of Government Worker In Mine SpillFederal investigators say the U.S. Attorney's Office in Colorado has declined to prosecute an employee of the Environmental Protection Agency over a massive mine wastewater spill.
U.S. Clears Way For Cleanup Of Gold King Mine After SpillA Colorado mine that spilled 3 million gallons of contaminated wastewater into rivers in three Western states has been designated a Superfund site.
EPA: Metals Get Into Creek Near Site Of Big Mine Waste SpillThe U.S. Environmental Protection Agency says some metals escaped into a Colorado creek from a wastewater treatment plant after heavy rains near the site of a big mine waste spill last year.
U.S. Air Force To Change Foam Due To Water ContaminationThe U.S. Air Force is changing the foam it uses to fight fires because of concerns the substance has contaminated groundwater and spread to drinking water at some military sites.
Study: Most Of Methane Hot Spot Comes From Natural Gas LeaksA puzzling concentration of the greenhouse gas methane over the Southwestern United States appears to come mostly from leaks in natural gas production, scientists said Monday.
Silverton Residents Enjoy 'EPA IPA' 1 Year After Gold King Mine SpillOne year after the Gold King Mine spill, the people who live in the town of Silverton are taking a jab at the Environmental Protection Agency.
EPA Pays $1.2 Million More In Local Costs From Mine SpillThe U.S. Environmental Protection Agency says it will pay another $1.2 million to tribes, states and local governments affected by a massive mine waste spill in southwestern Colorado.
Silverton Takes A Breather A Year After Huge Mine SpillA year after a mine waste spill turned their river a weird yellow-orange, residents of a Colorado mountain town are taking a break from the aftermath for a party that includes beer the color of the spill.
Gold King Mine Spill Now Under A Criminal InvestigationThe Office of Inspector General for the Environmental Protection Agency has revealed that a criminal investigation is underway into the Gold King Mine disaster.
Navajo Nation Endorses Superfund Cleanup Of Colorado MinesThe Navajo Nation has formally endorsed a Superfund cleanup of southwestern Colorado mines, including one that released millions of gallons of wastewater into a river on Navajo land.