April 19, 2011 8:14 am The Greenest Family in the Country? And you thought you were going green — beat this! Check out a family that generates almost no waste. US & World Videos 2:02 Going green: City officials work to be more sustainable with renewable energy 0:27 Street sweeping returns to Philly 1:29 Researchers at University of Delaware help create more convenient ways for electric vehicles to charge 2:22 The election is over, so how can you recycle those signs? 0:50 Developer scraps plans for NJ offshore wind projects