Archive for the ‘Environment’ Category

  • Dam Removal, River Revival

    How does dam removal restore rivers to health, and how long does it take?


    Thursday, January 16th, 2003
  • Global Warming: Will Parasol Imperil Plants

    If we put up a giant umbrella to shield the Earth from global warming, what will happen to plant productivity?


    Thursday, January 9th, 2003
  • Plant Diversity Under Threat

    Brown future: New study finds large increase in number of threatened plants, calculates that 22 to 62 percent of plant species are threatened.


    Thursday, October 31st, 2002
  • Renewable Energy: Biomass Invention

    Renewable energy and the hydrogen economy get a boost from new invention.


    Friday, August 30th, 2002
  • Globe Heating Up

    How do current conditions compare to past predictions of the effects of global warming? Are living on a warming planet?


    Thursday, July 11th, 2002
  • Oil Spill: New Concern

    Marine iguana in the Galapagos islands are suffering from trace amounts of oil left by a tanker accident.


    Thursday, June 20th, 2002
  • Dirty Bomb Threat

    Suspect arrested, may be charged with trying to develop a dirty bomb. What is a dirty bomb, and how badly would it harm us?


    Thursday, June 13th, 2002
  • Mars Has Big Ice!

    Scientists have found ice on Mars. The frozen water, whose quantity may equal Lake Michigan, is within a meter of the surface.


    Thursday, May 30th, 2002
  • Climate and Salmon: New Links

    New study links long-term changes in salmon population to climate changes.


    Thursday, April 18th, 2002
  • Global Warming and Carbon

    Amazon study changes picture of global carbon budget.


    Thursday, April 11th, 2002


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Image courtesy of Pete Mouginis-Mark, Hawaii Institute of Geophysics and Planetology, University of Hawaii at Manoa

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