The puzzling relationship between trade and environment: NAFTA, competitiveness, and the pursuit of environmental welfare objectives Author Porras I.M. Journal/Series Indiana Journal of Global Legal Studies | Vol. 3(1); 65 - 79; 15 p. Date 1995 Source IUCN (ID: ANA-059121) Publisher | Place of publication Indiana University | Bloomington, IN, USA Language English Subject Environment gen. Keyword International trade Geographical area North America