Earth

  1. Earth

    Explainer: Ice sheets and glaciers

    Ice sheets and glaciers give scientists clues about climate change.

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  2. Earth

    Explainer: Antarctica, land of lakes

    There are many, although they tend to be buried under rivers of ice.

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  3. Environment

    Unconventional spill

    An accidental spill of extra-heavy crude oil points to some unusual challenges in safely getting this petroleum to market.

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  4. Environment

    Explainer: All crude oil is not alike

    Crude oil comes in conventional and unconventional types.

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  5. Animals

    Gorgeous eco-bullies

    ‘Foreign’ lionfish — aquarium castoffs — have been invading American coastal waters at an alarming rate and gobbling up the natives.

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  6. Climate

    Climate change: The long reach

    Scientists who study the environment to better gauge Earth’s future climate now argue that current changes may not reverse for a very long time.

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  7. Tech

    Explainer: What is fracking?

    Energy companies have found new use for hydraulic fracturing to extract natural gas from shale rock.

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  8. Earth

    Quakes cause faraway sloshing

    Right after a magnitude-9 quake in Japan, scientists knew that its tremors had set distant waters in northern Europe sloshing. Now they know how.

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  9. Earth

    Nature’s coast guards

    Barrier islands aren’t just for beach vacations — they protect coasts from storms and flooding.

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  10. Earth

    How Earth’s surface morphs

    Partly melted rock acts like grease to help huge masses of the planet’s surface slip up, around and down.

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  11. Earth

    Fracking waste and quakes

    Underground storage of liquid waste from these mining operations can make an area more vulnerable to tremors.

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  12. Animals

    Animals under Antarctic ice?

    Data suggest a web of lake organisms might thrive deep under ice; scientists struggle to make sense of the new report.

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