| Acronym | Definition |
|---|
| EIWG➣Ecosystems Interagency Working Group (US Climate Change Science Program) |
| EIWG➣Environmental Infrastructure Working Group (water projects) |
| EIWG➣Evaluation Indicators Working Group (Public Health Agency of Canada) |
| EIWG➣EFTPOS (Electronic Funds Transfer at Point of Sale) Industry Working Group (Australia) |
| EIWG➣Experimentation Integration Working Group |