In honor of Earth Day, my colleagues and I are proud to be included in @natgeocreative Flash Sale. Visit the link in my profile to see the full collection of signed prints on sale for $100. Hurry, sale ends tomorrow. Here are just a few of the available prints by @JenniferHayesig @SteveWinterPhoto @CristinaMittermeier @MelissaFarlow and @CoryRichards Only Two days left to support the power of science, exploration and story telling. @daviddoubilet ---------------------------------------------------