Can White Roofs Really Reduce Global Warming?

Energy Secretary Steven Chu, among others, has urged Americans to paint their roofs white to reflect sunlight skyward, on the theory that this will help cool off cities and fight climate change. But Stanford University researchers have tried to quantify, for the first time, how much cities, or “heat islands,” actually contribute to global warming, and they’ve concluded that the well-intentioned practice of whitewashing the tops of buildings might do more harm than good.

 
  Your Reaction?
  REACT WITH GIF
 

    Starting soon, you'll only be able to post a comment on BuzzFeed using a Facebook account or via our app. If you have questions or thoughts, email us here.

    Hot Buzz

    The Anti-Defamation League Received An Anonymous Bomb Threat

    21 Pictures That Will Make You Say "That Fucked Me Up"

    Now Buzzing