Be careful with your car’s AC North Carolina ain’t Phoenix, but it’s still hot. Especially on the coastal plain. Probably where you are as well. CNN’s Alexandra Meeks issues a warning in her “5 Things” newsletter: More than 140 million Americans from coast-to-coast are under heat alerts today. Parts of the Northeast will see their highest temperatures this year while temperatures in the Midwest will be up to 20 degrees above normal. The extreme weather has also gripped the country’s southern tier from Southern California to Florida since June. And Phoenix, one of the hardest-hit cities in this summer’s scorching heat, is in its fourth week in a row of temperatures over 110 degrees, smashing a previous record of 18 straight days. President Joe Biden is expected to announce actions to combat extreme weather in a briefing today as the heat wave expands across the US. This was Phoenix in May: Another toddler got burned the same way in Colorado this month. Solar-heated hot tub You thought Florida was too politically hot for trans people? It’s not too safe for wildlife either (NPR): It’s so hot in Florida right now that the ocean temperature in one area just crossed into the triple digits. On Monday, a water temperature sensor in Manatee Bay near Everglades National Park recorded a temperature of 101.1 degrees, according to a park spokesperson. The startling data matched high water temperatures observed elsewhere in the Florida Bay recently, and the scorching conditions could pose a major risk to coral and other marine life, experts warn.…