"Now what are we going to do about it? .."

why, turn up the AC and open the doors, of course!

Sadly, if the situation--natural OR man-made-- has gotten out of hand, the only thing we can do that makes sense is to gradually reduce the population over the next few generations so that the areas that are still tolerable to live in are not impossibly overcrowded.

Move over, you folks in Canada, Siberia, Finland...company's coming!

(I sure would like to be mistaken....I'd LOVE to look down from above in 100-200 years and see that it didn't get too bad....but....)