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Navajo Nation sues feds over massive 2015 mine waste spill
One of the nation's largest American Indian tribes is suing the federal government over a massive mine waste spill that tainted rivers in three Western states.
Congress wades into toxic mine spill caused by EPA crew
The focus on a toxic mine spill that fouled rivers in three Western states shifts to Congress this week as lawmakers kick off a series of hearings into how the U.S. Environmental Protection Agency accidentally unleashed the deluge of poisoned water.
Investigation: EPA, state missed potential for mine blowout
Republicans say they're not satisfied with a U.S. Environmental Protection Agency claim that a 3-million-gallon toxic spill from an inactive gold mine was likely "inevitable," even though there had been prior warnings that such a spill could occur.
Groups to feds: Tighten mining rules in light of Animas River spill
Citing the release of millions of gallons of toxic wastewater into a southwestern Colorado river earlier this month, a coalition of conservation groups, two Arizona Native American tribes and two county governments petitioned federal agencies Tuesday to tighten mining regulation on public lands.
Critics of carbon regulations using mine spill to skewer EPA
Authorities say rivers tainted by last week's massive spill from an abandoned Colorado gold mine are starting to recover, but for the Environmental Protection Agency the political fallout from the disaster could linger.
Arizona officials watchful, hopeful as EPA spill moves downstream
Arizona officials continue to monitor a massive spill of toxic sludge that is heading toward the Colorado River, but most were hopeful Tuesday that it will have little impact by time it reaches the state.
Officials downstream from Colorado mine spill demand answers
Local officials in towns downstream from where millions of gallons of mine waste spilled into a southwest Colorado river are demanding answers about possible long-term threats to the water supply.
