Earth

  1. Earth

    Lead’s a moving target at rifle ranges

    The lead used in bullets and shotgun pellets can be a threat to the environment near rifle ranges but many of its hazards are manageable.

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  2. Earth

    Can Banking Carbon Cool the Greenhouse?

    Stockpiling carbon dioxide in plants and soil may be effective only for the short term, if at all.

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  3. Earth

    Wafting pesticides taint far-flung frogs

    Agricultural pesticides blowing into California's wilderness areas have played a role in mysterious declines in frog populations.

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  4. Earth

    New accord targets long-lived pollutants

    Negotiators drafted an agreement to ban or phase out some of the world's most persistent and toxic pollutants.

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  5. Earth

    Choked Up: How dead zones affect fish reproduction

    Some Gulf coast fish exposed to low oxygen are experiencing reproductive problems, and lab studies suggest that a particular protein that silences or reduces sex hormones may be to blame.

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  6. Earth

    DDT linked to miscarriages

    A study of Chinese women finds that the pesticide DDT can not only affect menstrual cycles but also foster miscarriages very early in pregnancy.

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  7. Earth

    Can phthalates subtly alter boys?

    Researchers have linked a mom's exposure to phthalates with a genital marker in boys suggesting a subtle feminization of their reproductive organs.

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  8. Agriculture

    Frozen Assets

    A U.S. gene bank has begun deep-freezing semen and other livestock 'seed' for possible future use in research or breeding.

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  9. Earth

    Pesticide Disposal Goes Green

    Chemists have developed a new technology to safely clean up toxic agricultural pesticides and a whole lot more.

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  10. Earth

    Fighting Water with Water: To lift the city, pump the sea beneath Venice

    With technology commonly used in oil fields, engineers could inject large volumes of seawater into sandy strata deep beneath Venice, Italy, to reverse the ground subsidence that plagues the city.

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  11. Earth

    Lemon-scented products spawn pollutants

    Some fragrances used in home-care products can play a role in generating potentially harmful air pollution.

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  12. Earth

    Dioxin-type carcinogens pose additive risks

    Pollutants known as dioxins, furans, and certain chemically related polychlorinated biphenyls have additive cancer-causing effects when mixed together, as has been assumed in calculating the chemicals' health risks.

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