Climate change didn't cause Harvey and Irma, but climatologists suspect a warming planet made these killer hurricanes more destructive. (Total damage: upwards of $200 billion.) It's simple physics ...

Hurricanes (called typhoons in the western ... or 179-209 kph), or a mere tropical storm can explode into a killer. "Intensity changes are the things that really hurt people," says NOAA's Bell.

Catastrophic flooding caused by Hurricane Helene ravaged Asheville, N.C.Credit...By Loren Elliott Supported by By Jacey Fortin Rachel Nostrant Isabelle Taft and Nick Underwood When the rain began ...