Xcel will be the first utility company in Colorado to initiate a large-scale coal-ash cleanup at the Valmont Power Station in Boulder County after lithium and selenium leaked into groundwater.

STRATFORD — The ongoing effort to cleanup toxic waste dumped across Stratford by the defunct Raymark Industries is set to enter a new phase later this year when crews turn their focus to the ...

Kansas City has accepted a $6 million grant for environmental cleanup and housing redevelopment in historically underserved neighborhoods.