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The spill on Wednesday sent heavy metals, arsenic and other contaminants into a waterway that flows into the San Juan National Forest. Estimates of the spill's size have risen sharply since then.
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A huge legal battle is coming over the White House plan to address climate change with additional power plant regulations. The coal industry has the most to lose, and plans to take the EPA to court.
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Monday's decision from the high court technically only applies to the Clean Air Act's standards on mercury emissions from power plants. But it could affect future EPA regulations, legal experts say.
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Hundreds of people are expected to testify in Denver on proposed rules to reduce carbon emissions from coal-fired power plants. The Denver hearing is...
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Last Wednesday, the Environmental Protection Agency held a hearing in Denver on its upcoming carbon dioxide regulations for power plants.The EPA has…