Sanitation

The Urban Water Blueprint by the The Nature Conservancy maps major cities’ watersheds to illustrate how cities can sustainably access water and ultimately save millions. More

Only 10 U.S. states have bottle bills in place, with deposits ranging from 5 cents to 15 cents depending on the beverage. Do you think bottle bills promote civic responsibility by force of habit? Should more states should put bottle bills in place? More

Architect Todd Ray of Studio Twenty Seven Architecture remodeled his own home in Arlington, Va., to be LEED Platinum-certified and full of light-filled, highly livable space. More

The New York Green Bank should stimulate private sector financing for commercial, multifamily, and residential renewable energy and energy efficiency projects. More

This microbe battery could offset some of the electricity required to treat wastewater. More