|
|
About the Cover: Designs "for the other 90%" (clockwise from top right); LifeStraw, Big Boda load-carrying bicycle, One Laptop Per Child and pot-in-pot cooler. See Visions essay for photo credits. Credit: Background collage with photos from Mark Evans / ISTOCKPHOTO.COM and Reto Stöckli, Robert Simmon / NASA Goddard Space Flight Center. |
