| Abbreviation | Definition |
|---|---|
| EC | Environmental Claim |
| ECA | Environmental Corporation of America |
| ECAM | Environmental Cost Analysis Methodology |
| ECAN | Environment Canterbury |
| ECAP | Environmental Compliance Assistance Programme |
| ECAP | Environmental Corporate Action Program |
| ECAS | Environmental Compliance Assessment System |
| ECB | Environmental Control Board |
| ECBC | Eastern Carpathians Biodiversity Conservation |
| ECBM | Embodied Carbon Bench Marks |
| ECC | Environmental Collection Center |
| ECC | Environmental Control Committee |
| ECCC | Environment and Climate Change Canada |
| ECCM | Edinburgh Centre for Carbon Management |
| ECCO | Environmentally Conscious Community Oriented |
| ECCP | European Climate Change Programme |
| ECCR | Environmental Change Capture Routine |
| ECCR | Environmental collaboration and conflict resolution |
| ECCR | Environmental Compliance Cost Recovery |
| ECCSCM | Environmentally Concerned Citizens For South Central Michigan |