But in order to do so, he estimates that we would have to coat 1-2 percent of the Earth’s surface in ultra-white paint — or in other words, approximately the entire United States: cornfields ...

Scientists at Purdue have created a white paint that, when applied, can reduce the surface temperature on a roof and cool the building beneath it. By Cara Buckley Xiulin Ruan, a professor of ...

We test claims that a coat of paint can act like air conditioning. Brian Cooley Editor at Large Brian Cooley is CNET's Editor at large and has been with the brand since 1995.