| Abbreviation | Definition |
|---|---|
| AFDW | Ash-Free Dry Weight |
| AFEAS | Alternative Fluorocarbon Environmental Acceptability Study |
| AFEJ | African Federation of Environmental Journalists |
| AFEN | Atlantic Frontier Environmental Network |
| AFF | Advance Fire Fighting |
| AFN | Action For Nature |
| AFPF | Assam Forest Protection Force |
| AFRA | Aircraft Fleet Recycling Association |
| AFRC | Anuenue Fisheries Research Center |
| AFTA | Association For Temperate Agroforestry |
| AFWA | Association of Fish and Wildlife Agencies |
| AGE | Asian Gorillas Environnment |
| AGW | Al Gore Warming |
| AGW | Anti Global Warming |
| AHERA | Asbestos Hazard Emergency Response Act |
| AI | Animal Instincts |
| AJEE | Asian Journal of Energy and Environment |
| AL | Affected Landfil |
| ALCMP | Arabian leopard captive management programme |
| ALD | Anoxic Limestone Drain |