Paint your roofs white, reduce global warming - Times of India- About: global warming news

According to a report in Live Science, the study simulated the effects of painting roofs white to reflect incoming solar rays and found that it could help cool cities and reduce the effects of global warming. The asphalt roads, tar roofs and other artificial surfaces that permeate cities absorb heat from the sun, making temperatures in urban areas on average 2 to 5 degrees Fahrenheit (1 to 3 degrees Celsius) higher than in rural areas. White roofs could reflect some of that heat back to space and cool temperatures, because white surfaces reflect most of the light that hits them, while black surfaces absorb most of that light. The model simulations, which are idealized representations of cities, suggest that, if every roof were entirely painted white, the urban heat island effect could be reduced by about a third.

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