Jim McMahon/Mapman®

Qatar is one of Earth’s warmest places—and because of , it’s only getting hotter. Temperatures there can now surpass 120 degrees Fahrenheit during the day. To help residents survive the potentially deadly heat, the Middle Eastern nation has started air-conditioning outside spaces, including markets and sidewalks. But the cold air comes at a high cost: Air-conditioning creates —which cause temperatures to rise even faster.