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 of what’s causing the unusual heatwave in the first place. We came close to destroying all life on Earth during the Cold War, with the threat of nuclear annihilation. But we may have come even closer during the cooling war, when the rising number of Americans with air conditioners—and a refrigerant industry that fought regulation—nearly obliterated the ozone layer. We avoided that environmental catastrophe, but the fundamental problem of air conditioning has never really been resolved. [time-brightcove not-tgx=”true”] Mechanical cooling appeared in the early 1900s not for comfort but for business. In manufacturing, the regulation of temperature—“process cooling”—controlled the quality of commodities like cotton, tobacco, and chewing gum. In 1903, Alfred Wolff installed the first cooling system for people at the New York Stock Exchange because comfortable traders yielded considerably higher stock returns. Only in the ’20s did “commercial cooling” appear. On Memorial Day weekend 1925, Willis Carrier debuted the first centrifugal a...
Source: TIME: Science - Category: Science Authors: Tags: Uncategorized Source Type: news