State of the world 2011 : innovations that nourish the planet : a Worldwatch Institute report on progress toward a sustainable society/ edited by Danielle Nierenberg. - New York : W.W. Norton & Company, 2011 - xxix, 147 p.: ill.; 20 cm. Includes bibliographical reference and index ISBN: 9780393338805 Subjects--Topical Terms: Agriculture trendes LC Class. No.: HC59 / STA 2011