How trees withstand a storm

As Hurricane Katia slowly approaches the East Coast, many people are still cleaning up from Hurricane Irene, whose high winds last week caused trees to fall, leaving millions without power.

Tropical Storm Maria weakens near Caribbean

(AP) -- Tropical Storm Maria weakened slightly as it neared Puerto Rico and the U.S. Virgin Islands on Saturday, but no further change in strength is expected, forecasters said.

September is peak month for hurricanes in North Carolina

More hurricanes and tropical storms hit North Carolina in September than in any other month. Two UNC experts explain how state residents can stay safe and healthy before and after a dangerous storm.

Earth from space: Irene's eye

This week we look at two images taken simultaneously with different Envisat sensors of Hurricane Irene, which struck the US east coast last week.

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