Low Air Quality, High Temperatures Across The U.S.
Over 120 million Americans were under air quality alerts on Wednesday from the smoke of the Canadian wildfires and it will continue on Thursday. Meanwhile, the heat continues in the Southern states.
The planet's temperature spiked on Tuesday to its hottest day in at least 44 years and likely much longer, and Wednesday could become the third straight day Earth unofficially marks a record-breaking high, the latest in a series of climate-change extremes that alarm but don't surprise scientists.