KOPNINA Helen Sustainability Key issues. KOPNINA Helen; SHOREMAN-QUIMET Eleanor - New York Routledge 2015 - xvii,393p. cm. References: Chapterwise ISBN: 9780415529860 2842.29 Source: 16, 16/10/2015, Better Book Service General Book Subjects--Topical Terms: Geography Dewey Class. No.: X:77:(G:55), Q5