| Abbreviation | Definition |
|---|---|
| CCCA | Cold Creek Conservation Area (King Township, Ontario) |
| CCCCAS | Cariboo-Chilcotin Climate Change Adaption Stategy |
| CCCP | Canadian Cultural Conservation Program |
| CCDP | Commune Council Development Project |
| CCEAM | Canadian Centre for Environmental Arbitration and Mediation |
| CCED | Center for Community and Environmental Design |
| CCEE | Canadian Centre for Environmental Education |
| CCEE | Civil Construction and Environmental Engineering |
| CCEP | Center for Corporate Environmental Performance |
| CCES | Concordia Center for Environmental Stewardship |
| CCIM | Conference of Chief Inspectors of Mines |
| CCLR | California Center for Land Recycling |
| CCLR | Center for Creative Land Recycling |
| CCME | Canadian Council of Ministers of the Environment |
| CCNP | Cache Creek Nature Preserve |
| CCNS | Central Catchment Nature Reserve |
| CCPC | Citizens' Committee for Pollution Control |
| CCR | Climate Change Resilience |
| CCR | Construction Carbon Regulations |
| CCRAP | Climate Change Rural Adaptation Project |