| CAPP | Canadian Association Of Petroleum Producers | - | Satellite Meterology |
| CCFM | Canadian Council Of Forest Ministers | - | Satellite Meterology |
| CCICED | China Council For International Cooperation On Environment And Development | - | Satellite Meterology |
| CCME | Canadian Council Of Ministers Of The Environment | - | Satellite Meterology |
| CCPA | Canadian Centre For Policy Alternatives | - | Satellite Meterology |
| CDM | Clean Development Mechanism | - | Satellite Meterology |
| CEC | Commission For Environmental Cooperation | - | Satellite Meterology |
| CELA | Canadian Environmental Law Association | - | Satellite Meterology |
| CESD | Commissioner Of The Environment And Sustainable Development | - | Satellite Meterology |
| CETAC | Canadian Environmental Technology Advancement Corporation | - | Satellite Meterology |
| CFA | Canadian Forestry Association | - | Satellite Meterology |
| CFS | Canada. Natural Resources Canada. Canadian Forest Service | - | Satellite Meterology |
| CGCP | Royal Society Of Canada. Canadian Global Change Program | - | Satellite Meterology |
| CGIAR | Consultative Group On International Agricultural Research | - | Satellite Meterology |
| CIDA | Canadian International Development Agency | - | Satellite Meterology |
| CIER | Centre For Indigenous Environmental Resources | - | Satellite Meterology |
| CIF | Canadian Institute Of Forestry | - | Satellite Meterology |
| CITES | Convention On International Trade In Endangered Species | - | Satellite Meterology |
| CPPA | Canadian Pulp And Paper Association (Montreal) | - | Satellite Meterology |
| CSA | Canadian Standards Association | - | Satellite Meterology |
| CSD / UNCSD | United Nations Commission On Sustainable Development | - | Satellite Meterology |
| CWF | Canadian Wildlife Federation | - | Satellite Meterology |
