Articles written by Evelyn Nieves Associated Press Writer San Francisco

EVELYN NIEVES Associated Press Writer SAN FRANCISCO

San Francisco wears its environmental consciousness like a green badge of honor. A city department even gives away processed sewage sludge for use in community, backyard and school gardens. The bio-solids compost has drawn the ire of a public interest and environmental advocacy group. The Organic Consumers Association doesn't think the variety used in gardens or the one laid on farmlands is tested enough and is waging a national campaign against its use. The sludge, they say, could potentially include thousands of...