Climate change and the endangered species act: The difficulty of proving causation Author Gerhart M. Journal/Series Ecology Law Quarterly | Vol. 36(1);167 -199; 33 p. Date 2009 Source IUCN (ID: ANA-081800) Publisher | Place of publication University of California School of Law | Berkeley, CA, USA Document type Article in periodical Language English Country/Territory United States of America Subject Wild species & ecosystems Keyword Endangered species Climate change