The Supreme Court just seriously limited the government’s ability to fight climate change

In Phoenix, Arizona, residents are feeling the heat of  climate change: Average temperatures in the desert city are now 2.5 degrees hotter than they were in the middle of the last century, and they keep going up. As staff writer Adele Peters writes, that isn’t just uncomfortable, it’s deadly. To deal with its extreme temperatures, the city has been launching a few solutions, from miles of “cool pavement” to solar canopies that offer residents a discount on their energy bills, which can be high from cranking the AC. Read more about how officials are working to cool down the city—and make Phoenix a testbed for new heat-battling technology—here. — Kristin Toussaint, Staff Editor  . . .Last year, in Maricopa County, where Phoenix sits, there were 338 deaths associated with extreme heat. One hundred thirty of the people who died were homeless. The problem will get harder to address; by 2050, as climate change progresses, Phoenix could feel more like Baghdad, with some summer days hotter than 120 degrees.