1. Earth

    Global Warming Debate Gets Hotter

    President Bush gets the global warming report he commissioned just days before he meets with European leaders.

  2. Earth

    Geologists take magnetic view through ice

    A new map of the magnetic anomalies in Antarctica and the seafloor surrounding the continent is giving researchers a fresh tool to use in analyzing geologic features that lie hidden beneath thousands of feet of ice or storm-tossed seas.

  3. Earth

    Allergic to computing?

  4. Earth

    Nations sign on to persistent-pollutants ban

    The United States joined 126 other nations in signing a treaty to ban or phase out a dozen persistent and toxic pollutants.

  5. Earth

    Salmon hatcheries can deplete wild stocks

    Hatchery fish appear to be replacing wild salmon populations in the Columbia River.

  6. Earth

    Daily Planet Earth

  7. Earth

    They’re not briquettes, but they’ll do

    Chunks of fossil charcoal found in ancient sediments in north central Pennsylvania suggest that cycles of wildfire plagued Earth more than 360 million years ago.

  8. Earth

    Lead Therapy Won’t Help Most Kids

    Removing lead from the blood fails to spare even moderately exposed children from cognitive impairments.

  9. Earth

    Pump up a plateau to make a monsoon

    Computer models show that the onset and strengthening of Asian monsoons over the past 8 million to 9 million years are strongly linked to various stages in the uplift of the Tibetan plateau.

  10. Earth

    Pacific Northwest stirred, not shaken

    Residents of the Pacific Northwest escaped the wrath of a magnitude 6.7 earthquake in the summer of 1999 because the ground movement of 20 centimeters along a deep fault occurred over a period of 6 to 15 days, not all at once.

  11. Earth

    Big Bergs Ahoy!

    Although the break-up of Antarctica's northernmost ice shelves has been linked to warmer temperatures in the area, the cause of the unusual number of large icebergs calving from the continent's southern ice shelves last year was likely not global warming.

  12. Earth

    A dietary cost of our appetite for gold