The Clean Air Act has had significant positive effects on both human health and our nation’s waterways. New research from Justin Mathias and Richard Thomas at West Virginia University, is showing that the Clean Air Act may signify even better news for our forests than we thought. This study uses tree rings of red spruce in the Central Appalachian Mountains to explore growth trends before and after the Clean Air Act
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- History of Spruce Reforestation in the Southern Appalachians