2001 environmental sustainability index annex 6 variable descriptions and data an initiative of the global leaders tomorrow environment task force world economic forum annual meeting davos switzerland in collaboration with yale center for law policy ycelp university international earth science information network ciesin columbia ____________________ this section contains complete along original used to produce each page following component indicator which is located name code number units shown table reference year mrya most recent available stated range source logic including esi a details summarizing methodology create median minimum maximum values that containing sorted alphabetical order by country additional on several more innovative variables can be found