Pies and thresholds Corporate author Environmental Law Institute (ELI) Journal/Series The Environmental Forum : The Policy Journal of the Environmental Law Institute | 2019(July/Aug); p. 38-49 Date 2019 Source IUCN (ID: ANA-094739) Publisher | Place of publication Environmental Law Institute | Washington, DC, USA Document type Article in periodical Language English Country/Territory United States of America Subject Waste & hazardous substances Keyword Pollution control Environmental standards Transboundary effects