| Abbreviation | Definition |
|---|---|
| DAP | Diminish the Air Pollution |
| DAQEM | Department of Air Quality and Environmental Management |
| DARP | Damage Assessment and Restoration Program |
| DAWTs | Diffuser Augmented Wind Turbines |
| DBC | dissolved black carbon |
| DBEE | Database of Environmental Education |
| DCE | Direct Carbon dioxit Emission |
| DCEC | Door County Environmental Council |
| DCEE | Department of Civil and Environmental Engineering |
| DCEH | Douglas County Environmental Health |
| DCES | Department of Community and Environmental Sociology |
| DCP | Diversion Control Program |
| DCR | Discharge, Cleanup, and Removal |
| DCRN | Devon Community Recycling Network |
| DCVR | Dispatchable Conservation Voltage Regulation |
| DDM | Department of Deasaster Management |
| DDM | Department of Disaster Management |
| DDMEG | Développement Durable, Management Environnemental et Géomatique (French: Sustainable Development, En |
| DDT | Dichloro Diphenyl Trichloromethylmethane |
| DDT | Dichloro-Diphenyl-Trichloroethane |