300 years across North America. The records showed the effects of global warming. Photo courtesy of Gordon Jacoby"/> 300 years across North America. The records showed the effects of global warming. Photo courtesy of Gordon Jacoby">
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Gordon Jacoby and Rosanne D’Arrigo in the Northeast

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In 1989, Gordon Jacoby and Rosanne D’Arrigo (above), the Lab’s first PhD student and now associate director of the Division of Biology and Paleo-Environment, published a landmark reconstruction of temperatures dating back 300 years across North America. The records show the effects of global warming. Photo courtesy of Gordon Jacoby

In 1989, Gordon Jacoby and Rosanne D’Arrigo (above), the Lab’s first PhD student and now associate director of the Division of Biology and Paleo-Environment, published a landmark reconstruction of temperatures dating back 300 years across North America. The records show the effects of global warming. Photo courtesy of Gordon Jacoby

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