| Acronym | Definition |
|---|
| IEEP➣Institute for European Environmental Policy (UK) |
| IEEP➣Inland Empire Economic Partnership (California) |
| IEEP➣International Environmental Education Programme (UNESCO; UN Environment Programme) |
| IEEP➣Independent Energy Efficiency Program (New York) |
| IEEP➣Intelligent Energy Europe Programme (EU) |
| IEEP➣Institute for Ethics and Economic Policy (Forham University; New York, NY) |