It’s become pretty common knowledge that white roofs provide a greatenvironmental benefit in areas that receive a lot of sun, and the ideajust gained a great supporter in Steven Chu,the US Secretary of Energy. If homes in hot countries switched to whiteroofs, not only would more light be reflected out of the atmosphere,but a lot of homes would cut down on their air conditioning costs aswell. Professor Chu also supported lightening the colour of roads aswell as roofs, believing it could neutralize the equivalent of 11 years’ worth of cars.Although he said the US isn’t planning any large scale geo-engineeringprojects, switching to white roofs and roads would set a good exampleand lead the way in the world. Look forward to seeing some of theseprojects come to light under Obama’s term.
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