Are Environmentalists To Blame For Katrina's Devastation?

"For decades, environmentalists, government agencies, fishermen and other groups have engaged in numerous court battles over the extensive system of levees and other structures put in place in an attempt to control flooding and ease shipping in southeastern Louisiana. Many environmental groups and Democrats have suggested that global warming and wetlands depletion may have played a role in worsening storm damage, while many conservatives allege that efforts to protect New Orleans were hampered by environmental objections."