| Abbreviation | Definition |
|---|---|
| ERD | Environmental Research Division |
| ERD | Environmental Resources Department |
| ERDB | Ecosystems Research and Development Bureau (Philippines) |
| ERDF | Environmental Restoration Disposal Facility |
| ERDL | Environmental Research and Design Lab |
| ERDS | Emergency Response Data Sheet |
| ERE | Environmental and Resource Economics |
| ERE | Environmental Remediation Equipment |
| ERE | Environmental Research And |
| ERE | Environmental Research and Education |
| ERE | Environmental Research Education |
| ERE | Environmental Resources Engineering |
| EREC | Efficiency and Renewable Energy Clearinghouse |
| ERED | Environmental Residue Effects Database |
| EREF | Environmental Research and Education Foundation |
| EREF | Environmental Research Education Foundation |
| ERF | Environmental Research Foundation |
| ERF | Environmental Response Fund |
| ERFU | Environmental Restoration and Facilities Upgrade |
| ERG | Environmental Research Group |