Decades in the making: Seeing the full impact from air pollution reductions

PHYSorg
Sep 29, 2025, 11:45 am71 pts
Researchers at Georgia Tech have analyzed the seasonal differences of sulfate aerosols—a major pollutant in the United States—to examine the long-term impact from sulfur dioxide (SO₂) emission reductions since the enactment of the Clean Air Act amendments in 1990.

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