(Phys.org) —Carbon-gobbling plants are normally allies in the fight to slow climate change, but in the frozen north, the effects of thriving vegetation may actually push temperatures higher. In a series of climate simulations performed at NERSC, a group of researchers found that the spread of bushes, taller ones especially, could exacerbate warming in northern latitudes by anywhere from 0.6°C to 1.8°C per year.
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