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Hurricanes, due to a warming ocean, are becoming larger, more powerful, wetter, moving slower and poleward. In hurricane-prone areas, buildings must be constructed using high-wind construction principles. Intensity of deadly, destructive tornadoes is measured by the Fujita scale [1 (least damaging) to 5]. Those living in tornado alley should consider building a tornado shelter or buying one. Heat kills more people than any other form of extreme weather. A 95° F temperature measured by a thermometer wrapped in a wet towel is fatal within a few hours. Such wet-bulb temperatures already occur in South Asia, Eastern China, the Persian Gulf, Brazil, and the US Midwest. With time, they will increase in frequency and duration. A polluted atmosphere contains gases, smoke, pollen, toxic chemicals, dust, and/or aerosols in harmful amounts. Atmospheric warming associated with climate change will increase all of the above. Air pollution is more than just an irritant. It's a killer.