@Revkin tweets related to: Pete, Spotts, Impact, Greening, Arctic

Two studies, one about plants covering previously frozen landscapes in the Arctic, the other about expanding winter sea ice in Antarctica, appear to say different things about global warming. The amount of land in the high Arctic covered by trees and upright shrubs could increase by up to 52 percent by midcentury, warming the region to levels climate scientists had previously not expected to see there until 2100.
Andy Revkin Twitter

Great Pete Spotts @CSMonitor two'fer on warming impact of greening Arctic & new look at spreading Antarctic sea ice http://t.co/V2VETKh790

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