| Abbreviation | Definition |
|---|---|
| CEME | Civil Environmental and Mining Engineering |
| CEMEP | Commission on Environmental Markets and Economic Performance |
| CEMI | Center for Environmental Microbial Interaction |
| CEMP | Construction Environmental Management Plan |
| CEMS | Colorado Environmental Management Society |
| CEMS | Continuous Emission Monitoring System |
| CEMS | Crew Environmental Management System |
| CEMSCS | Central Environmental Monitoring Satellite Computer System |
| CEN | Chicagoland Environmental Network |
| CENN | Caucasus Environmental NGO Network |
| CENR | Center for Environmental Nanoscience and Risk |
| CENR | Center for Environmental Nuclear Research |
| CENR | Committee for Environment and Natural Resources |
| CENRO | Community Environmental and Natural Resources Office |
| CEOE | Civil Environmental and Ocean Engineering |
| CEON | Circumarctic Environmental Observatories Network |
| CEOP | Community Environmental Outreach Program |
| CEP | Center for Environmental Philosophy |
| CEP | Center for Environmental Policy |
| CEP | Committee for Environmental Protection |