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Polar Bears and Sea Ice Explained

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How The World Works - The Story of Snowflakes

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  • Polar Bears and Sea Ice Explained

    Court Whelan explains why polar bears depend entirely on Arctic sea ice and what happens as that ice disappears. Through an accessible blend of evolution, ecology, and climate science, the film traces how grizzlies became polar bears, how sea-ice ecosystems support seal, and why shrinking ice for...

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    Fighting for the Underdog follows the somewhat unremarkable experience of the Spurdog, otherwise known as Dogfish, an unassuming shark found along the British coastline whose story finally makes it to the spotlight. A previous staple of British fish and chips, has seen its protection go from no t...

  • Reconsidering Ecosystems

    "A key concept in ecology is that no single species exists on its own. Everything depends on other species to survive, and that includes humans.”
    Thomas Crowther is professor of ecology in the Department of Environmental Systems Science at ETH Zurich where he founded the Crowther Lab. He is also ...