| Abbreviation | Definition |
|---|---|
| CRCSA | Curbside Recycling County Service Area |
| CRDM | Continuous Release Detection Method |
| CREATE | Community Recycling Employment And Training Enterprises |
| CREC | Controlled Recognized Environmental Condition |
| CRED | Center for Research on Environmental Decisions |
| CREN | Charlotte Regional Environmental Network |
| CREP | Caribbean Regional Environmental Programme |
| CREP | Clavey River Ecosystem Project |
| CREP | Conservation Reserve Enhancement Program |
| CREP | Corporate Responsibility for Environmental Protection |
| CREQ | Center for Research and Environmental Quality |
| CRES | Center for Renewable Energy Sources |
| CRF | Container Recycling Fee |
| CRFI | Coral Restoration Foundation International |
| CRI | Container Recycling Institiute |
| CRIB | Cartridge Recycling Initiative for Babies |
| CRNS | Community Recycling Network for Scotland |
| CROWN | Composting and Recycling Our Waste Now |
| CRPB | Clyde River Purification Board |
| CRRA | China Resources Recycling Association |