Researchers are trying to get a handle on the impacts of wildfires like those in the Pine Barrens, Canada and elsewhere.By Anna MattsonThe Jones Road fire in New Jersey scorched 15,300 acres for nearly three weeks this spring. Its sickly orange haze vanished hours after the blaze was doused, but a stench from the blackened landscape, including parts of the Pine Barrens, lingered for days.

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