Top US official warns of 'heavy' hurricane season
US Homeland Security Secretary Janet Napolitano warned Wednesday that a "heavy" US hurricane season could be in store, after briefing President Barack Obama on latest forecasts.
US Homeland Security Secretary Janet Napolitano warned Wednesday that a "heavy" US hurricane season could be in store, after briefing President Barack Obama on latest forecasts.
Earth Sciences
Jun 1, 2011
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Levees and floodwalls surrounding New Orleans -- no matter how large or sturdy -- cannot provide absolute protection against overtopping or failure in extreme events, says a new report by the National Academy of Engineering ...
Earth Sciences
Apr 24, 2009
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