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The House and Senate both voted to loosen regulations on air pollutants like dioxin and mercury, which are associated with higher cancer risk.
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For community groups to allege violations of environmental rules, a state law says groups have to use federally-approved testing equipment, and it sets restrictions for analyzing and sharing the data.
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Despite improvements in air quality in past decades, 156 million Americans still breathe in too much soot or ozone, says the annual State of the Air report from the American Lung Association.
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Following an order from President Donald Trump, the Environmental Protection Agency gave dozens of coal plants an extra two years to comply with its latest Clean Air Act policies. Some of them are in Oklahoma.
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Oklahoma’s plan to meet federal smog regulations has been in limbo since the EPA rejected it in 2023 and the state sued in response. That case made it to the U.S. Supreme Court, which heard arguments today.
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Exposure to wildfire smoke is a growing health problem across the U.S., as climate change increases the risk and intensity of wildfires.
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You may have encountered the Oklahoma Department of Environmental Quality’s Air Quality Health Advisories. But the agency has introduced a good-news counterpart: the Awesome Air Alert.
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Drought and some holdover wildfires from last year in Canada are already sending smoke into the Midwest and Great Plains.
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Climate change is making it harder to meet clean air goals, says the 25th annual State of the Air report from the American Lung Association.
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Two new studies show the unseen toll smoke is taking on people across the country. Climate change is likely to make the problem even bigger.