Climate change means more floods, great and localized

Emergency management officials in South Carolina say they are preparing both for more massive floods like the state has seen in three of the past four years and smaller, but still destructive deluges

COLUMBIA, S.C. -- The growing realization that ever-more ferocious storms are becoming more common as the result of global warming is forcing government officials to revisit how they respond to natural disasters.

Larry Larson is a former director and senior policy adviser for the Association of State Floodplain Managers. He says officials need to start using forecast tools that predict several different scenarios depending on temperature rise, rather than relying on flood maps based on past events.