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Missouri health advocates say a recent decision by the U.S. Environmental Protection Agency to review its current ozone air quality standards will delay efforts to improve air quality.
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Washington University scientists say smoke particles from wildfires may damage health and contribute to climate change more than experts had realized.
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A haze is still lingering over sections of the region as a result of wildfires that continue to burn in parts of Canada, but a sign showing poorer than usual air quality in St. Louis caught our newsroom's attention a bit before we began covering the impact of the fires locally.
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As wildfires burn in eastern Canada, smoke and pollutants drift over the heavily impacted Northeast and into the Midwest. Poor air quality levels in Iowa, Kansas, Missouri and Nebraska, may be hurting people with more sensitive breathing conditions.
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Even when skies are clear, air pollution can affect the health of sensitive groups.
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A St. Louis environmental group wants to help urban farmers in north St. Louis and north St. Louis County monitor air quality. Climate Changents are placing air monitoring machines that test fine particulate matter on urban farms and schools.
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Early in the coronavirus pandemic, concentrations of a harmful air pollutant dropped by more than 30% on average worldwide, Washington University researchers have found.
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Over the next two years, the Nature Conservancy in Missouri will plant 100 trees in parts of north St. Louis County to help reduce air pollution and flooding.
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Metropolitan Congregations United and engineering researchers at the Washington University are working with several churches in north and south St. Louis to measure air quality in areas with high amounts of pollution.
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Black people and Latinos in St. Louis are more likely to live in areas with polluted air. Long-term exposure to air pollution is linked to faster coronavirus transmission, new research finds.