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Bill would require mining companies to demonstrate they can mitigate pollution

Hardrock mining companies in Colorado may be required to demonstrate they can pay to treat polluted water and give a timeline for performing treatment before receiving permits, according to ...

White Mesa Mill accepts Cherokee Nation radioactive waste

But shipment upsets Ute Mountain Utes, environmentalists

Mountain Studies Institute receives grant for 416 Fire work

Money will go toward rehabilitation efforts

Gas well leaks wastewater in Canyons of Ancients National Monument

Stuck valve causes produced water to overflow tank

Gardner, Tipton introduce mine-cleanup bill

Legislation is latest attempt to pass ‘good Samaritan’ law

EPA: Gold King Mine spill had no immediate, long-term impacts

Study confirms other organizations’ findings

Companies agree to pay nearly $1M for Silverton Superfund cleanup

Payout marks first ‘potentially responsible party’ payment

More questions than answers in BP’s spill into Animas River

Company investigating cause, contaminates and amount spilled

EPA’s quick-action Superfund plan receives flak from commenters

People say money could be better spent elsewhere

Work to resume at American Tunnel, one of more vexing polluters

Acidic water may be spilling into other mine networks

3 years after Gold King Mine spill, victims awaiting payment

DENVER – Three years after the U.S. Environmental Protection Agency triggered a massive mine spill that polluted rivers in three states, the federal government still has not repaid any of th...

U.S. eases Obama-era coal ash pollution rules for utilities

DENVER – The Trump administration on Wednesday eased rules for handling toxic coal ash from more than 400 U.S. coal-fired power plants after utilities pushed back against regulations adopted...