1. Earth

    Power Harvests

    Farmers are finding that commercial wind power is the best new commodity to come along in years, one that can offer substantial year-round income.

  2. Earth

    New type of hydrothermal vent looms large

    The discovery of a new type of hydrothermal vent system on an undersea mountain in the Atlantic Ocean suggests that submarine hydrothermal activity may be much more widespread than previously thought.

  3. Earth

    The Silence of the Bams

    If a nuclear explosion were set off in a cavity of the right size and shape, even a moderate-sized nuclear bomb might appear at long distances to be no bigger than a routine explosion used in mining.

  4. Earth

    Atlanta leaves big chemical footprint

    A new analysis of water quality downstream of Atlanta shows that some pollutants from the city are still detectable in the river more than 500 kilometers away.

  5. Earth

    Amazon forest could disappear, soon

    A new model that includes a forest's effect on regional climate shows that the Amazon rainforest could disappear in the next three decades, much more rapidly than previously expected.

  6. Earth

    Is Nessie merely a bad case of the shakes?

    An Italian scientist makes the controversial suggestion that the original source of the legend of the Loch Ness Monster, as well as blame for many of the modern encounters with the supposed beast, may be seismic activity beneath the lake.

  7. Earth

    Landfills Make Mercury More Toxic

    Landfill disposal of mercury-containing products can chemically transform the pollutant not only to make it more potent but also to foster its release into air.

  8. Earth

    A foamy threat to ozone

    Shredding the foam insulation in discarded refrigerators can release significant quantities of chlorofluorocarbons, which pose a threat to Earth's protective ozone layer.

  9. Earth

    Blood points to pollution’s heart risks

    As airborne concentrations of fine dust particles climb, so do three blood factors that increase an individual's heart attack risk.

  10. Earth

    Ozone flares with fireworks festivities

    Holiday fireworks and sparklers trigger ozone-generating chemical reactions in the lower atmosphere.

  11. Earth

    Alaska’s coastal permafrost is eroding

    Aerial photographs taken over the past 50 years show that Alaska's coastlines of permafrost aren't that permanent after all.

  12. Earth

    More acid rain in East Asia’s future

    Large increases in Asian industrial emissions of nitrogen oxides in the next 30 years could lead to a tripling of the acid rain there due to those pollutants.