So, a bunch of cities in the southern U.S. have stopped growing. Any chance global climate change is the predominant cause? The U.S. saw a big population shift

So, a bunch of cities in the southern U.S. have stopped growing. Any chance global climate change is the predominant cause? The U.S. saw a big population shift southward in the second half of the 20th century. But if the southern U.S. continues what seems to be a trend of getting hotter and stormier, we might see a big shift back north.