All hurricanes are acts of God because God controls the heavens. I believe that New Orleans had a level of sin that was offensive to God and they were recipients of the judgment of God for that.
There is an emerging scientific consensus that global warming is making hurricanes more intense and more destructive. It turns out that Katrina fits into a pattern that scientists and greens have been trying to warn us about for a long time.johann hari
[In-group exclusivism has] killed more human beings and destroyed more cities and villages than all the epidemics, hurricanes, storms, floods, earthquakes, and volcanic eruptions taken together. It has brought upon mankind more suffering than any other catastrophe.pitirim sorokin
"David Ridenour of The National Center for Public Policy Research says people who claim rising temperatures will lead to more intense hurricanes 'appear to be relying upon political science , not climate science.'"david a. ridenour