Before Air Conditioning, Half of America Was Unlivable | Bizarre History Documentary

Weirdward Bound May 2, 2026 Air conditioning didn't just cool buildings. It depopulated the American Northeast, built the Sun Belt, made the modern Middle East economically viable, and quietly rewired global politics. This video follows Willis Carrier's 1902 invention (originally designed to control humidity in a printing plant, not to make people comfortable) and shows how an industrial fix for smudgy ink reshaped continents.