Photo Gallery Nature's Broom
Hurricane Helene looks benign from outer space. But hurricanes can cause tremendous damage and loss of life. Many climatologists believe there will be more of them in the future, due to global warming.
Hurricanes Rita and Katrina were thought, in 2006, to have been worsened by global warming. But now some scientists believe wind shear may have been a more important factor.
Hurricane Andrew sweeps across the southern United States and Mexico.
Hurricane Wilma caused serious floods in Key West, Florida, in October of 2005 -- the worst hurricane season the United States ever witnessed.
Gulfport, Mississippi seen from outer space -- before the arrival of Hurricane Katrina in August of 2005.
Gulfport after the natural disaster: The boats have been swept from the piers. Katrina wrought havoc in the area around New Orleans in August of 2005, leaving almost 2,000 dead.
This aerial photograph shows the extent of the New Orleans disaster. The streets of the city turned into canals.
About 23,000 refugees sought shelter at the New Orleans Superdome arena after the city was flooded by Hurricane Katrina in August of 2005. The city's population was evacuated to Houston as looters sowed chaos.