| Abbreviation | Definition |
|---|---|
| ECP | Environmental Control Products |
| ECP | Environmentally Conscious Product |
| ECPH | Environmental Chemical Pollution and Health |
| ECPL | Environmental and Chemical Processes Laboratory |
| ECPL | Environmental Chemical Processes Laboratory |
| ECPP | Environmental Communication and Participatory Processes |
| ECPP | Environmental Crime Prevention Program |
| ECR | Environmental Cleaning Roller |
| ECR | Environmental Compliance and Remediation |
| ECR | Environmental Conflict Resolution |
| ECR | Environmentally Conscious |
| ECR | Environmentally Conscious Recycling |
| ECRC | Environmental Change Research Centre |
| ECRI | Environmental Criminology Research Inc |
| ECRL | Environmental Chemistry Research Laboratory |
| ECRU | Environmental Change Research Unit |
| ECS | Environmental Charter School |
| ECS | Environmental Compliance Services |
| ECS | Environmental Composite Systems |
| ECSD | Environmental Compliance Sustainability Department |