Earth

  1. Climate

    Year in Review: Carbon dioxide levels pass milestone

    Although scientists are confident about humankind’s role in climate change, they still have a lot to learn about the magnitude and timing of future climate shifts.

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  2. Environment

    Protein fibers trap greenhouse gas

    The method could scrub exhaust from cars and power plants.

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  3. Environment

    Stillbirth rates tied to lead in drinking water

    Fetal death rates rose in Washington, D.C., in parallel with two recent spikes in drinking water’s lead levels.

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  4. Climate

    Tornado intensity climbs in the United States

    Larger paths of destruction may be tied to climate change.

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  5. Earth

    Green lightning may be caused by positive charges, or by camera lens

    Physicist offers possible explanations for stunning photograph of volcanic eruption.

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  6. Environment

    World’s worst polluted

    A new report by Green Cross Switzerland and the Blacksmith Institute lists places posing the greatest risk to human health.

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  7. Climate

    Coldest place moves from one Antarctic site to another

    New record low measured by satellite.

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  8. Ecosystems

    Online map tracks forest shifts from space

    By layering more than 650,000 satellite images onto a Google map, researchers have created a new tool to track forest cover.

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  9. Earth

    Earth’s plate boundaries may nurture diamond formation

    An experiment mimicking conditions deep in the Earth suggests that some tectonic plate boundaries may make ideal diamond nurseries.

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  10. Earth

    Cryovolcano

    An ice volcano that erupts slurries of volatile compounds such as water or methane instead of lava.

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  11. Climate

    Methane emissions may be far higher than estimated

    U.S. fossil fuel and cattle industries may emit far more methane than government estimates indicate.

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  12. Agriculture

    Probiotics may protect piglets from E. coli infection

    Beneficial bacteria could replace antibiotics in pig feed.

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