Years after New Englanders saw that acid rain caused by coal plants was killing red spruce trees, the trees are better. Researchers say the red spruce shows the positive impact of air pollution laws.

The gray trunks of red spruce trees killed by acid rain once heavily scarred the mountain forests of the Northeast. Now those forests are mostly green, with the crowns of red spruce peeking out of the ...

CHEAT MOUNTAIN, W.Va. — Red spruce blanketed the mountains of West Virginia a century ago, before being decimated by the saw blade and acid rain from coal plants. Now they’re replacing the mines that ...

The Clean Air Act, implemented in 1990, has been heralded as an economic and environmental success story that has led to cuts in ground-level ozone by more than 25% since 1980, a reduction in mercury ...

What do flying squirrels, acid rain, and violins have in common? They are all connected to the Red Spruce — a coniferous tree found in northeastern North America. It acts as a home for many animals, ...

BERWYN, Pa.--(BUSINESS WIRE)--Red Spruce Capital, a privately held Registered Investment Advisor, announced today the hiring of Raymond J. McCaffrey, CFA, as a Portfolio Manager. McCaffrey will ...

When scientists found a resurgence of red spruce in northeastern forests, they had a lot of questions. Fifty years ago, red spruce was the equivalent of a canary in the coalmine signaling the effects ...

In the 1970s, red spruce was the forest equivalent of a canary in the coal mine, signaling that acid rain was damaging forests and that some species, especially red spruce, were particularly sensitive ...