Axios

The heat wave that just won't quit is bringing dangerously hot conditions from the Southern Plains to parts of the Mississippi River Valley, Gulf Coast, and increasingly, the Southwest, through the weekend.

The big picture: Heat alerts are in effect for about 70 million people from Georgia to Kansas, as well as an area in Arizona and southeastern California.

About 80% of humanity experienced unusually hot temperatures during July that were attributable in large part to human-caused climate change, a new report finds.

Why it matters: The analysis shows the extraordinary reach of climate change, and its influence on temperature extremes. It's made extreme heat far more likely, particularly in many developing countries.