On September 9, 2005, with much of New Orleans submerged by the failure of fifty levees and flood walls after Hurricane Katrina (category 1 at landfall) dumped 8 to 10 inches of rain, former Vice President Al Gore told the Sierra Club's National Environmental Convention and Expo in San Francisco: Ladies and gentlemen, the warnings about global warming have been extremely clear for a long time. We are facing a global climate crisis. ... Last year we had a lot of hurricanes. ... The scientists … [Read more...]