AC Feels Great, But It’s Terrible for the Planet. Here’s How to Fix That

For the past few days, a heatwave has glowered over the Pacific Northwest, forcing temperatures in the region to a record-breaking 118ºF. Few people in the region—neither Americans nor Canadians—have air-conditioning. Stores sold out of new AC units in hours as a panicked public sought a reasonable solution to the emergency. Unfortunately, air-conditioning is part…