Everything is bigger in Texas, including its pollution, according to clear air experts. A proposed approval plan from the ...

Colorado has a blueprint for closing its coal facilities. Critics say the plan could drive up customers’ bills.

Gov. Jared Polis is dropping his plans to build a $29.5 million pedestrian bridge on the state Capitol’s grounds after ...

A small Canadian company behind a controversial effort to mine uranium in Western Alaska has pulled out of the project, the ...