| Abbreviation | Definition |
|---|---|
| AEPST | Acquisition Environmental Product Support Team |
| AER | Alternative Energy Requirement |
| AER | Atmospheric and Environmental Research |
| AERA | Air Emissions Risk Analysis |
| AERC | Applied Environmental Research Center |
| AERC | Arid Ecosystems Research Centre |
| AERD | Association of Environmental and Rural Development |
| AERE | Association of Environmental and Resource Economists |
| AERL | Applied Environmental Research Laboratory |
| AESN | Atlantic Environmental Science Network |
| AESPR | Annual Environmental And Social Performance Report |
| AESS | Aircraft Environmental Surveillance System |
| AESS | Association for Environmental Studies and Sciences |
| AET | Alliance for Environmental Technology |
| AET | Applied Environmental Technology |
| AETG | Acidifying Emissions Task Group |
| AETL | American Environmental Testing Laboratory |
| AFCD | Agriculture, Fisheries and Conservation Department |
| AFCP | Alternative Fuels Conversion Program |
| AFCP | Approved Florida Coastal Program |