| ADB | Asian Development Bank |
| CPD | Central Planning Department |
| DCC | Development Coordination Committee |
| EIA | Environmental impact assessment |
| EPS | Environmental Planning Section of the Ministry of Lands, Survey and Natural Resources |
| ESCAP | Economic and Social Commission for Asia and the Pacific |
| FFA | Forum Fisheries Agency |
| FCD | Forestry and Conservation Division, of the Ministry of Agriculture and Forestry |
| GATT | General Agreement on Tariffs and Trade |
| IDEC | Interdepartmental Environmental Committee |
| NEMS | National Environmental Management Strategies |
| NGO | Non-Governmental Organizations |
| NZODA | New Zealand Official Development Assistance |
| SPREP | South Pacific Regional Environmental Programme |
| TWB | Tonga Water Board |
| UNEP | United Nations Environment Programm |