Ashish Sharma

How Green and Cool Roofs Can Provide Relief for Hot Cities

More than half of the world’s population lives in cities, and the United Nations projects that this share will rise to 70 percent by 2050. During the daytime, these expanding urban areas absorb more solar energy than the surrounding countryside. At night they radiate the heat back to the atmosphere. Higher temperatures in cities compared to the areas around them create what are known as urban heat islands (UHIs).

Keep reading... Show less
BRAND NEW STORIES

Don't Sit on the Sidelines of History. Join Alternet All Access and Go Ad-Free. Support Honest Journalism.