| http://www.w3.org/ns/prov#value | - When I read of air pollution damage, I think of all the pinon, aspen, cottonwoods, firs and other trees we gassed; when I see aspen in its full autumn glory, I remember those dozen or so leaves we caused to turn with SO2 (slight damage turns the leaves colors; greater damage makes them necrotic, a bit of a mirror of autumn).
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