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Coal Mines

(credit: Doug Pensinger/Getty Images)

Renewable Energy Bill Faces Another Test In Colorado

A bill that would dramatically raise renewable energy requirements for Colorado’s rural cooperative electric associations faces a test Wednesday in the state House.

04/24/2013

A sinkhole along Colorado's Front Range (credit: CBS)

Colorado Agency Studies Land Around Old Front Range Mines

Homes across parts of the Front Range are facing an underground threat from old coal mines.

10/04/2011