| Abbreviation | Definition |
|---|---|
| EPI | Environmental Performance Index |
| EPI | Environmental Policy Institute |
| EPI | Environmental Process Inc |
| EPI | Environmental Products Inc |
| EPIC | Environmental Products for Important Causes |
| EPIC | Environmental Protection In the Caribbean |
| EPIC | Environmental Protection Information Center |
| EPIC | Erosion Productivity Impact Calculator |
| EPiCC | Environmental Protection in Canadian Cities |
| EPICS | Environmental Protection Interim Compliance System |
| EPISTEL | Environmental Political Informatics Social Technological Economic and Legal |
| EPIU | Environmental Project Implementation Unit |
| EPMF | Effluent Plant Maintenance Facility |
| EPMF | Environmental Performance Measurement Framework |
| EPN | Environmental Paper Network |
| EPN | Environmental Professionals Network |
| EPN | Environmental Protection Network |
| EPOC | Ecology, Performance, and Oleo-Chemicals |
| EPOC | Environmental Professionals of Color |
| EPOW | Environmental and Power Off Warnings |