| BASINS | Better Assessment Science Integrating point and Nonpoint Sources |
| BenMAP | EPA’s Environmental Benefits Mapping and Analysis Program |
| BIOME-BGC | Ecosystem process model from the University of Montana |
| CENTURY | Soil Organic Matter Model from Colorado State University |
| DCOP | Department of Human Resources |
| DDOE | District Department of Environment |
| DDOT | District Department of Transportation |
| DGS | Department of General Services |
| DOE | Department of Energy |
| EPA | Environmental Protection Agency |
| GHG | Greenhouse Gas |
| GSA | General Services Administration |
| HSPF | Hydrological Simulation Program—Fortran |
| LIDAR | Light Detection and Ranging |
| LTER | Long-term Ecological Research |
| LTER | Long-term Ecological Research |
| NAIP | National Agriculture Imagery Program |
| NASA | National Aeronautics and Space Administration |
| NGO | Non-Governmental Organization |
| NPS | National Park Service |
| NRC | National Research Council |
| NSF | National Science Foundation |
| R&D | Research and Development |
| SIP | State Implementation Plan |
| STEW-MAP | Stewardship Mapping and Assessment Project |
| SWMM | Storm Water Management Model |
| TMDL | Total Maximum Daily Load |
| UF | Urban Forestry |
| UFA | Urban Forestry Administration |
| UHI | Urban Heat Island |
| USDA | U.S. Department of Agriculture |
| USFS | United States Forest Service |
| VOC | Volatile Organic Compound |