Via Clean Technica:
Not too long ago, cities could be labeled strictly as takers: taking in food, water, energy and other resources, while dumping out mountains of garbage and oceans of polluted wastewater. But take a look at the gigantic egg-shaped structures that dominate New York City’s Newtown Creek wastewater treatment plant, and you’re looking at the key to a sustainable future.
The distinctive landmarks are digesters that convert municipal wastewater into biogas, and New York has just announced a new food waste recycling/wastewater project that will enable the digesters to accept food scraps from househol...
