| 31 August 2010

Image via National Geographic What Hurricane Katrina and many other hurricanes have told us is that wetlands are on the coastlines for a reason -- they act as a vital buffer protecting land from storms coming in from offshore. The fact that wetlands in the south have been developed or otherwise ruined has been a contributor to the amount of destruction a hurricane can cause. New Orleans recognizes that it needs to build up that buffer once again, and researchers think partially treated sewage will do the trick. ... Read the full story on TreeHugger