1989: Advent of a New Era for EPA 's International Activities Author Koehler J., Hajost, S.A. Journal/Series Colorado Journal of International Environmental Law and Policy | Vol. 1(1); 181 - 187; 7 p. Date 1990 Source IUCN (ID: ANA-045711) Publisher | Place of publication University Press of Colorado | Niwot, Co, USA Language English Country/Territory United States of America Subject Environment gen.