Simple insulation could combat heat, cold and noise
Wednesday, July 2, 2008 - 12:07
in Earth & Climate
Around the world, an estimated one billion people--mostly in rural villages and the shanty towns surrounding developing-world cities--live in houses whose roofs are nothing more than thin sheets of corrugated metal. These houses become unbearably hot in the summer, freezing in the winter (especially in high-altitude regions), and deafeningly noisy when heavy rains pound on the bare metal.