In 2009, Nobel Laureate Steven Chu was speaking to world leaders in London, when he informed them that painting all the roofs, roads, parking lots, sidewalks and other flat surfaces white or light gray would be the equivalent of taking all the cars in the world off the road for 11 years.
“Without the white icecaps, less of the sun’s energy is reflected back out to space, and the speed of global warming increases.”
—Sir David Attenborough, A Life on Our Planet
Painting black asphalt surfaces white, and switching dark roof shingles to light colors, helps make up for the loss of our shrinking icecaps and cools the planet. The goal is to prevent runaway warming