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Sierra Daily

Apr 27, 2011

How Green Is My Country?

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Scientists at the Woods Hole Research Center recently released a nifty map of forest cover in the coterminous United States, i.e., the Lower 48. Based on NASA satellite images from 2000-2001 and ground-level surveys by the USGS and USDA Forest Service, the National Biomass and Carbon Dataset will serve as a baseline for monitoring changes in forest cover and the carbon cycle. For a high-resolution, clickable-to-the-hectare version, go here.

--Reed McManus

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