Filed under: Misc. Gadgets
We've seen quite a few efforts to use gardens and terrariums in cities to order to bring down overall CO2 emissions and reduce temperatures, but Tokyo's earthquake-prone location means that structures there have to meet strict load requirements -- so a company called Suntory Ltd., has developed a synthetic dirt substitute called Pafcal it says weighs less than half as much as real soil. The fake dirt, which is made of urethane, can reduce the internal temperature of a building with a roof garden up to 10 degrees Celsius (18 degrees Fahrenheit). Of course, there's considerable irony in trying to sa
