The more rapid change has been that people have moved to flood prone areas, and businesses have built there. This was all subsidized by federal flood insurance.<p>Now that these unsuitably risky areas are built out, the insurers don't want anything to do with them if they can help it. The added cost to insurance pools to insure these risky properties is affecting all of us.<p>There should be no federal subsidy for insuring buldings in flood prone areas.