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Elizabeth Dunbar

Your Minnesota climate change questions, answered

An infrared lamp warms a sugar maple tree.
An infrared lamp warms a sugar maple tree Monday, October 7, 2014 as part of the B4WARMED project near Cloquet, Minn. The plot was an average of 3.4 degrees Celsius warmer than a nearby plot that was not heated. B4WARMED stands for Boreal Forest Warming at an Ecotone in Danger. The ultimate goal of the study is to determine how Minnesota trees will respond to warmer climates.
Derek Montgomery / For MPR News

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