Summer this year may have been hotter than you thought
- Updated
Nationally, summer 2023 was hotter than 97 percent of 20th century summers. Meteorologist Sean Sublette explains.
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Nationwide, only 3 of the 15 hottest summers on record came before the start of the 21st century.
Record heat, wildfires demand carbon cuts
After a record-smashing hot summer, Earth’s warming somehow got even worse in September, as temperatures set an “absolutely gobsmackingly bananas” new mark.

