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. Next month, all eyes will be on London when the English capital hosts the Summer Olympics. In preparation, this week London officials unveiled an impressive new LED light installation on the Tower Bridge. The new lights, which cut the landmark's energy consumption by 40 percent, will be turned white to celebrate the Queen's Diamond Jubilee (her 60t