| Acronym | Meaning |
| UN | United Nations |
| UNCED | United Nations Conference On Environment And Development |
| WMO | World Meteorological Organization |
| AECL | Atomic Energy Of Canada Limited |
| UNCTAD | United Nations Conference On Trade And Development |
| NAFTA | North American Free Trade Agreement |
| ICLEI | International Centre For Local Environmental Initiatives |
| CDM | Clean Development Mechanism |
| CETAC | Canadian Environmental Technology Advancement Corporation |
| CEC | Commission For Environmental Cooperation |