| Abbreviation | Definition |
|---|---|
| DRAS | Delisting Risk Assessment Software |
| DRNA | Dental Recycling North America |
| DRO | Diesel Range Organics |
| DROP | Doing Reverse Osmosis Properly |
| DRT | Discourse Representation Theory |
| DS | Dead Sea |
| DSCP | Dry-cleaning Solvent Cleanup Program |
| DSE | Department of Sustainability and Environment |
| DSFD | Deep Sea Fisheries Development |
| DSIC | Distribution System Improvement Charge |
| DSWCR | Division of Solid Waste Collection and Recycling (Fairfax County, VA) |
| DTER | Dry Tortugas Ecological Reserve |
| DTSC | Department of Toxic Substances Control |
| DVCA | Dundas Valley Conservation Authority |
| DW | Domestic And Wildlife |
| DWD | Deep Water Dumping |
| DWTT | Drinking Water Taste Test |
| DWV | Drain, Waste, Vent |
| EA | Environmental Accounting |
| EAA | Environmental Assessment Association |