The Endangered Species Act at 25: What works? Author Clark J.R., Fishman R.L., Kostyack J., Powell J., Quarles S.P., Taylor G.J. Journal/Series The Environmental Forum | Vol. 15(5); 48 - 57; 9 p. Date 1998 Source IUCN (ID: ANA-063428) Publisher | Place of publication Environmental Law Institute | Washington, DC, USA Document type Article in periodical Language English Country/Territory United States of America Subject Wild species & ecosystems Keyword Wild fauna Protected animal species Protected plant species Wild flora Management/conservation