Inhabitat's Week in Green: biological concrete, flexible solar cells and the top wearable tech of 2012

Each week our friends at Inhabitat recap the week's most interesting green developments and clean tech news for us -- it's the Week in Green. New Year's Eve is fast approaching, and workers in New York City are hard at work installing 32,256 LED lights on the Times Square New Year's Eve ball. As we close the book on 2012, Inhabitat has been reflecting on all the top clean energy and green technology stories from the past year. From news that Germany met half the country's energy needs with solar...