Rae Solomon
Stories
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Climate change is making Colorado mountain streams more acidic and polluted
New research says climate change has caused toxic metal pollution to double in some Colorado rivers and mountain streams. It's complicating efforts to clean up abandoned mining sites.
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National
Many utilities want natural gas to help in their transition from coal to green energy
As utilities transition from coal to green energy, many utilities say they need to open new natural gas fired power plants to bridge the gap. Not everyone is buying it.