Groups Sue Over Western Colorado Coal Mine’s Air Emissions susancoverMay 16, 2020 Share This Read the article Click on the title to read the article at its source. Groups Sue Over Western Colorado Coal Mine’s Air Emissions CBS Denver | May 15, 2020 Climate + Energy #COCleanAir, #KeepItInTheGround Share This About the Author susancover | , Read more from susancover Previous Next