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    • Notes from the Field

      NASA· 7 hours ago

      On a blustery March morning, Petya Campbell stood atop a 204-foot-tall tower and looked across the waving canopy of the leafless deciduous forest at the Smithsonian Environmental Research Center ...

    • The science of capturing carbon dioxide

      The science of capturing carbon dioxide

      Elko Daily Free Press· 11 hours ago

      Trees have been doing it since the Devonian period — about 400 million years ago — and it’s a good thing too. If it wasn’t for the green members of life...