Intense heat has stifled the globe this year, contributing to a record-breaking hot summer in the Northern Hemisphere and an unusually warm winter in the Southern Hemisphere.
Allergy season lengthened by 15 days on average between 1970 and 2021 across about 200 U.S. cities, according to an analysis from Climate Central, a nonprofit climate news organization.
Flood maps used by the Federal Emergency Management Agency are out of date and understate the risks to homes and businesses from flooding and extreme rain triggered by climate change, FEMA Director Deanne Criswell said.
