NASA: National Aeronautics and Space AdministrationEarth Observatory

Media Alerts: October 2002

  1. September 2002
  2. November 2002
  1. Scientists Tackle the Question: ‘What Will it Really Take to Stop Global Warming?’ October 31, 2002

    Researchers published a comprehensive study of non-fossil fuel energy source alternatives that finds massive investment in alternative energy sources will be required to stem an ecological disaster (New York University release)

  2. Popular Weed Killer Feminizes Native Leopard Frogs across Midwest October 30, 2002

    Native male leopard frogs throughout the nation’s Corn Belt are being feminized by an herbicide, atrazine, used extensively to kill weeds on the country’s leading export crops, corn and soybeans. (UC-Berkeley release)

  3. Geological Study Documents Changes in Coral Reefs October 29, 2002

    A recent study of coral formations in different tropical locations will be used to help geologists reconstruct climate and storm patterns of the past and learn more about the preservation of reefs. (University of Cincinnati release)

  4. Despite Lower Carbon Dioxide Emissions, Diesel Cars May Promote More Global Warming than Gasoline Cars October 21, 2002

    Laws that favor the use of diesel, rather than gasoline, engines in cars may actually encourage global warming. (American Geophysical Union release)

  5. Scientists Discover 30-year History of El Niño in Cave October 18, 2002

    Scientists have discovered a history of the past 30 years of El Niño events recorded in Central American stalagmites (University of Iowa release)

  6. African Ice Core Analysis Reveals Catastrophic Droughts, Shrinking Ice Fields and Civilization Shifts October 17, 2002

    A detailed analysis of six cores retrieved from the rapidly shrinking ice fields atop Tanzania’s Mount Kilimanjaro shows that those tropical glaciers began to form about 11,700 years ago. (Ohio State University release)

  7. Control of Methane Emissions Would Reduce Both Global Warming and Air Pollution October 16, 2002

    Both air pollution and global warming could be reduced by controlling emissions of methane gas. (American Geophysical Union release)

  8. New Thinking Needed on Atmospheric Physics October 16, 2002

    An atmospheric phenomenon called “sprites” could be pumping 50 times more energy into the upper atmosphere than was previously thought. (University of Houston release)

  9. Key to the Nature of Earth’s Mysterious Core Found Beneath Arctic Ice October 16, 2002

    In the high Canadian Arctic, researchers at the University of Rochester have stripped away some of the mystery surrounding the powerhouse that drives the Earth’s magnetic field. (University of Rochester release)

  10. Increased CO2 Levels Are Mixed Blessing for Agriculture October 2, 2002

    A new study suggests that rising levels of carbon dioxide in the atmosphere could be a boon for agricultural crops, as this greenhouse gas helps crop plants grow and reproduce more. (Ohio State University release)