Roberts, Jane, 1954- Environmental policy / Jane Roberts. - 2nd ed. - Milton Park, Abingdon, Oxon, [England] ; New York : Routledge, c2011. - xii, 258 p. : ill. ; 24 cm - Routledge introductions to environment series. . General. Includes bibliographical references and index. ISBN: 9780415497848 Subjects--Topical Terms: Environmental policy.