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Lawmakers advance plan to track greenhouse gases

Effort worries coal counties on Western Slope; seen as duplicate by some

Winter weather forces closure of Gold King Mine treatment plant

Facility built to resist cold, but snowfall and avalanches become problematic

Sunnyside Gold says EPA should be recused from leading Silverton Superfund cleanup

Mining company says federal agency has conflict of interest

Bill to limit plastic straws fails in committee

Environmentalists and advocates of local control opposed proposed law

EPA places Silverton’s Superfund site on fast-track pilot program

Bonita Peak is 1 of 6 programs selected nationwide

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

Study confirms other organizations’ findings

New Mexico sues EPA, Sunnyside Mine owners

State says both responsible for Gold King Mine impact

La Plata steps up mine tests

Trace amounts of uranium detected

State disputes key part of EPA’s Gold King report

State officials did not sign off on plan, according to letter

EPA likely not prepared Gold King Mine blowout

Agency releases redacted documents

Sediment issues a big uncertainty

As communities along the Animas River continue to wonder about long-term consequences of the Gold King Mine spill, one of the biggest questions remaining is the orange sediment lying along r...

Western Colorado officials voice support for new methane rules

State rules influence proposed federal effort