Trade barrier or trade boon? A critical evaluation of environmental labeling and its role in the ' greening ' of world trade Author Staffin E. Journal/Series Columbia Journal of Environmental Law | Vol. 21(2); 205 - 286; 82 p. Date 1996 Source IUCN (ID: ANA-059040) Publisher | Place of publication Columbia University School of Law | New York, NY, USA Language English Field of application International Country/Territory United States of America, European Union Subject Environment gen. Keyword Ecofriendly products/ecofriendly processes International trade