| Acronym | Meaning |
| WMO | World Meteorological Organization |
| USAID | United States Agency For International Development |
| EPA | United States. Environmental Protection Agency |
| NRC | Canada. Natural Resources Canada |
| IDRC | International Development Research Centre |
| IISD | International Institute For Sustainable Development |
| APEC | Asia Pacific Economic Cooperation |
| OECD | Organisation For Economic Co-operation And Development |
| SDPI | Sustainable Development Policy Institute (Karachi |
| ICLEI | International Centre For Local Environmental Initiatives |