| Abbreviation | Definition |
|---|---|
| CPCB | Central Pollution Control Board |
| CPCB | Central Pollution Control Boards |
| CPCB | Centre Pollution for Control Board |
| CPCB | Control Pollution Control Board |
| CPEEC | Camden Park Environmental Education Centre |
| CPEH | Center for Precision Environmental Health |
| CPEO | Center For Public Environmental Oversight |
| CPG | Chemical Protective Gloves |
| CPHEEO | Central Public Health and Environmental Engineering Organisation |
| CPHEEO | Central Public Health Environmental Engineering Organisation |
| CPI | Corrugated Plate Interceptor |
| CPL | Cable Pipe Leak |
| CPL | Contractors Pollution Liability |
| CPO | Chemical Protective Overgarment |
| CPO | Conservation Police Officer |
| CPOW | Colorado Professionals in Onsite Wastewater |
| CPPA | Climate Prediction Program for the Americas |
| CPPL | Conservation and Protection of Public Land |
| CPPR | Canadian Pollution Prevention Roundtable |
| CPR | Conservation, Protection, and Restoration |