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U.S. city air pollution fell 22% over the past decade due to stricter rules, more EVs, and clean energy.
A new federal study released today reveals that air pollution levels in major U.S. cities have dropped significantly over the past decade, with particulate matter concentrations falling by an average of 22%.
The data, compiled by the Environmental Protection Agency, attributes the decline to stricter emissions regulations, increased use of electric vehicles, and advancements in clean energy technology.
The report also notes continued challenges in rural areas where industrial activity and agricultural practices contribute to higher pollution levels.
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La contaminación del aire de las ciudades estadounidenses cayó un 22% en la última década debido a normas más estrictas, más vehículos eléctricos y energía limpia.