An Appalachian tragedy
Écologie forestière
Forêts
Forest ecology
Air
Aspect de l'environnement
Trees
Pollution
Environmental aspects
Pictorial works
Weakened by decades of air pollution that have brought acid rain, deadly smog, and excess nitrogen, and by cell-destroying ultraviolet rays from a thinning ozone layer, the magnificent Appalachian forests are no longer able to fight off the bugs, blights, and bad weather that afflict forests everywh…
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