
A satellite image shows the eye of a major hurricane. A new study finds the share of storms reaching Category 4 and 5 has nearly doubled since 1970. AP Photo/NOAA
AP - 1 hour, 47 minutes ago
WASHINGTON - The proportion of hurricanes reaching the most destructive Categories 4 and 5 has nearly doubled worldwide since 1970, researchers report in a study feeding the debate over warming and storms.
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