Painting Roof White Climate Change

Seemed like a cool idea.

Painting roof white climate change.

Painting roofs white has been like changing lightbulbs one of the well cited easy ways out of climate change. New research suggests that planting gardens atop roofs or painting them white could offset both the local urban heat island effect and global warming although one roof type does not cover all. Paint the world s roofs white to reflect more sunlight and it could help cool down both cities and the planet. Wild eco goose chase or radical thinking.

Cool roofs painted white or other light colors to reflect sunlight as well as green roofs have surged in popularity as cities such as new york promote their use and research shows they lower. So would painting the moon. It s far cheaper than trading in your suv for a prius and it. By reflecting more light and heat back to the atmosphere a white roof should act like.

Painting the world s roofs white could slow climate change slashdot. A new study however finds it s a lot more complicated. White roofed villa in greece. He found that it would decrease the urban heat island effect by a third enough to reduce the maximum daytime temperatures by an average of 0 6 degrees c and more in hot sunny regions such as the.

Painting your roof white could help slow climate change by reflecting sunlight back into space. Known simply as cool roofing this process is designed to reduce the solar radiation. Chu said at the opening of the st james s palace nobel laureate symposium that by lightening paved surfaces and roofs to the color of cement it wo. Hugh pickens writes dr.

In 2017 more than 3 000 city rooftops were painted using both white lime and a special reflective coating. Keith oleson of the national center for atmospheric research in boulder colorado looked at what might happen if every roof in large cities around the world were painted white raising their reflectivity known to climate scientists as albedo from a typical 32 percent today to 90 percent.