In New York City, hiply dressed residents of the Solaire, a luxury apartment building in lower Manhattan, head home after a day of office work and mocha grandes. They step into a Cesar Pelli & Associates–designed “green building” that uses 35% less electricity and 50% less water than comparable structures, thanks to solar photovoltaic panels, energy efficiency, and recycling.
Half a world away, a group of engineers from New Hampshire is testing water-purification devices in a small village in Bangladesh. The mobile devices, dubbed Slingshots, are a product from inventor Dean Kamen of DEKA Research and Development Corp., best known as the creator of the Segway scooter. Powered by a small amount of biofuel ...
