According to a new study, POLLUTION has actually kept the number of Atlantic Ocean hurricanes and tropical storms DOWN. Researchers found the particles from air pollution help keep hurricanes from forming on the ocean. And they found that since we started pushing to curb pollution in the 80's, hurricanes and tropical storms have increased. Of course, there are a million BAD side effects of pollution . . . but this could be the one good one. It's also another sign that yes, what humans do affects and changes the climate.