How to make air conditioning less of an environmental nightmare

As the world heats up so does the demand for air conditioning, which itself is a contributor to the climate crisisAt first glance, the 32 panels on top of a grocery store in Stockton, Calfornia look like solar panels. But this installation is designed not to harness the sun, but to defy it. Coated with a film technology that reflects radiation from the sun, the panels - and whatever lies beneath them - can drop to 15F (8C) below the ambient temperature, even in the middle of the day, with no electricity required. Related: Floating wind turbines could open up vast ocean tracts for renewable power Continue reading...