Climate

  1. Chemistry

    Freon’s Cool Link to Climate

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  2. Climate

    Boreal forests shift north

    As forests move northward and to higher elevations, they alter ecosystems and threaten to further heat the Arctic's already warming climate.

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  3. Animals

    Polar bears listed

    Polar bear declared "threatened," but Secretary limits decision's impact.

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  4. Earth

    Climate clues in ice

    A kilometers-long ice core from Antarctica has been recording climate information for the past 800,000 years and has revealed a three millennia–long period when carbon dioxide levels in the air were lower than any previously measured.

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  5. Life

    Just ain’t natural

    Monster data crunch strengthens case that climate is disrupted.

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  6. Climate

    A little drier every day

    The Sahara, one of the hottest and driest regions on Earth, gradually became arid over a period of centuries, a finding that contradicts many previous studies.

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  7. Life

    Brittle arms lose muscle

    In lab simulations of future ocean conditions, brittle stars grow extra-calcified but puny arms.

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  8. Earth

    Babbitt to Southern Louisiana: Look into Gondolas

    “New Orleans, at the end of the century, will be an island” — literally, predicts Bruce Babbitt. Whether or not you believe his assessment, he makes a good case for considering the implications of climate change when planning federal projects.

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  9. Climate

    Air Pollution Can Be So Cool — ing

    Fossil-fuel pollution has been offsetting global warming to the tune of about 30 percent per year. Cleaning up that pollution, a must, threatens to accelerate warming unless humanity changes its fuel-use strategy.

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  10. Life

    The Arctic isn’t alone

    Insects and other animals that regulate their body temperature externally may be especially vulnerable as the world warms.

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  11. Earth

    A Feverish World

    What's behind global warming—and is there anything we can do?

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  12. Climate

    Olympic Clean Up

    Rather than wowing its visitors this summer with world-class air pollution, China wants to impress them with its clean, green Olympics.

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