"BUTTE, Mont. — High above this storied copper town, one of the tallest earth-filled dams in the country holds back more than 6.5 trillion gallons of toxic sludge from an open-pit mine."
"In an effort to make Colorado’s cannabis industry more eco-friendly, the state’s health department and energy office launched two new pilot programs Wednesday focused on reducing carbon emissions and improving energy efficiency at local cultivations."
"Twenty-five years ago, the national park attempted to reintroduce wolves – now scientists are celebrating it as one of the greatest rewilding stories ever".
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