Scientist Aubrey Hillman, one of the authors of this article, extracts a core of mud from the bottom of Black Pond in June 2025. Patrick Dodson/University at Albany

Industrial pollution once ravaged the Adirondacks − decades of history captured in lake mud track their slow recovery

Acid rain and metals from power plants, vehicles and industries reached remote mountain lakes for years. Evidence from those lakes today shows the success of the Clean Air Act.

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