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A Red Lodge property owner is assessing damage from a coal mine that flooded his hillside rental property.
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Federal regulators call nutrient pollution one of the country's most widespread environmental problems. The state of Montana is trying to hammer out narrative standards to regulate it.
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The Montana Department of Environmental Quality is investigating algal blooms along a section of the Gallatin River just north of Yellowstone National Park. Regulators will hold a public meeting in Big Sky and remotely to provide updates.
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Cleanup will kick off again months after a train derailment in Stillwater County released thousands of pounds of oil material into the Yellowstone River.
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The Montana Supreme Court says environmental regulators disregarded water quality laws when issuing a permit to a mine that provides coal to the Colstrip power plant in southeastern Montana.
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Unified Command says reports over the last few weeks called for more cleanup of the oil-based waste along a section of the Yellowstone River in Stillwater County.
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State regulators say fish sampled upstream and downstream of a June train derailment showed the presence of contaminants and prompted an advisory along the river from Stillwater County to Yellowstone County
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NorthWestern Energy says it plans to appeal the decision.
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Two electric buses are now carrying some students to and from school in Hill County in north-central Montana.
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Conservationists and residents this week protested a planned 175-megawatt natural gas plant in Laurel, just southwest of Billings.