Like what you’re reading? We need your support. Make a gift to support our work now, and your donation will be matched, dollar for dollar.
Air Conditioning is heating the world
Labor Day is the unofficial end of summer, and, boy, it's been a hot one. That means we've been thinking of one thing for months: air conditioning. The World's Sarah Birnbaum reports on the origins of air conditioning, its growth and how it's threatening the planet.