Scientific American: Extreme weather could cause four times as much economic loss in the U.S. by 2050 as it does today--without any increase in the frequency or intensity of hurricanes, tornadoes or lightning. That is because the population will be larger and richer and because more Americans are moving to the Eastern seaboard, the Gulf Coast and other storm-ridden places.
The frequency of natural hazards varies across the country (top), but nationwide, average annual losses from all of them over the past 50 years...