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Research looks at how poison ivy leaves were altered by climate change

Mason Heberling, associate curator of botany at the Carnegie Museum of Natural History, holds a poison ivy specimen collected in Lehigh County, Pa. in 1840, the oldest used in the study. (Kara Holsopple/The Allegheny Front)
Mason Heberling, associate curator of botany at the Carnegie Museum of Natural History, holds a poison ivy specimen collected in Lehigh County, Pa. in 1840, the oldest used in the study. (Kara Holsopple/The Allegheny Front)

A new study looks to museum specimens to find out how increased carbon dioxide in the atmosphere has altered the leaves of poison ivy in Pennsylvania.

The Allegheny Front’s Kara Holsopple reports.

This article was originally published on WBUR.org.

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