A green challenge on the road to a single market Author Lopez H. Journal/Series Environmental Policy and Law | Vol. 29(1); 42 - 48; 7 p. Date 1999 Source IUCN (ID: ANA-064884) Publisher | Place of publication IOS Press | Amsterdam, The Netherlands Document type Article in periodical Language English Subject Environment gen. Keyword International trade Geographical area South America DOI https://content.iospress.com/articles/environmental-policy-and-law/epl29-1-11