Page 12 - Great Lakes Logging - August 2018
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On the rebound
Pollution controls help red spruce recover from acid rain
STOWE, Vt. (AP) — 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 canopy and saplings thriving below.
A main reason, scientists say, is a government-enforced reduction in the kind of air pollution that triggers acid rain.
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AP photo
At left, in this 2003 photo provided by Paul Schaberg, red spruce trees exhibit winter injury to their needles, aggravated by deposits from acid rain, in Warren, Vt. Schaberg is co-author of a study pub- lished in May 2018, saying that the tree species, once heavily dam- aged by acid rain, is rebounding in five Northeast states due to stricter air pollution regulations and a changing climate.

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