Climate

  1. Environment

    Carbon dioxide levels hit landmark in Northern Hemisphere

    The Northern Hemisphere experienced the first full month with the greenhouse gas at or above the symbolic 400 parts per million level.

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  2. Climate

    Violent storms may shatter sea ice

    Tall waves’ effect on sea ice hints at troubled water in the future.

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  3. Climate

    Environmental change may spur growth of ‘rock snot’

    A controversial new theory suggests alga that forms rock snot isn’t an invader, but a low-key species native to many rivers.

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  4. Climate

    Forest fires may speed demise of Greenland’s ice sheet

    Black carbon released by burning woodland darkens Greenland’s ice sheet, quickening its melt.

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  5. Climate

    Antarctic glacier melt is unstoppable

    The inevitable collapse of Antarctic’s western glaciers could raise global sea level by more than 4 meters in coming centuries.

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  6. Climate

    Tropics leave trace in Arctic warming

    Cooling temperatures in the Pacific may be responsible for the recent rapid warming of northeastern Canada and Greenland.

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  7. Climate

    Crop nutrients may drop as carbon dioxide rises

    Many staple grains and legumes pack 5 to 10 percent less iron, zinc and protein when grown at carbon dioxide levels expected midcentury.

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  8. Climate

    Federal report details climate change in U.S.

    The latest National Climate Assessment was released by federal officials May 6.

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  9. Cosmology

    Feedback

    Readers weigh in on the Hubble constant, temperature extremes and heart screenings for student-athletes.

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  10. Climate

    Glacial microbes gobble methane

    While some bacteria produce methane in Greenland’s melting ice sheet, others may consume the greenhouse gas as it escapes.

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  11. Climate

    Feedback

    Readers discuss the influence of clouds on climate, how to treat addiction and which human-made hazards are the biggest bird-killers.

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  12. Climate

    Reef fish act drunk in carbon dioxide–rich ocean waters

    In first test in the wild, fish near reefs that bubble with CO2 lose fear of predators’ scent.

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