Rain runoff from roofs of buildings across the United States adds to the pollution of lakes and streams and can overburden sewage systems and storm drains. But more of those roofs are turning "green." ...

The Kennedy Union Green Roof provides stormwater runoff management by absorbing large amounts of rainfall and filtering pollutants from water as it drains through the vegetation. It helps regulate ...

The New Orleans Sewerage & Water Board’s headquarters near Lee Circle will soon be sprouting grass from its roof as one of three demonstration projects the agency hopes will encourage new ways of ...