The progression towards ecological quality standards Author Howarth W. Journal/Series Journal of Environmental Law | Vol. 18(1); 3 - 35; 33 p. Date 2006 Source IUCN (ID: ANA-074893) Publisher | Place of publication Oxford University Press | Eynsham, UK Document type Article in periodical Language English Country/Territory United Kingdom, European Union Subject Environment gen. Keyword Biodiversity Environmental standards Pollution control Freshwater quality/freshwater pollution