Support WBURLa. Flood Board Sues Oil Industry Over WetlandsPlay03:38Download AudioElizabeth ShogrenJuly 25, 2013 ShareCanals created for navigation and oil and gas pipelines cut through the marsh off the coast of Louisiana, seen in 2010. (Bloomberg via Getty Images)
Canals created for navigation and oil and gas pipelines cut through the marsh off the coast of Louisiana, seen in 2010. (Bloomberg via Getty Images)