- Centre for Climate Change Research (CCCR)
- Centre for Climate Change Research (CCCR)
- Centre for Climate Change Research (CCCR)
- Centre for Climate Change Research (CCCR)
- Central Tibetan Administration
- Central Tibetan Administration
- Center for Large Landscape Conservation
- Center for Climate Strategies
- CCCR - Indian Institute of Tropical Meteorology
- Catherine Donnelly Foundation
- Catalyst
- Catalyst
- Catalyst
- Catalyst
- Carpe Diem West
- carbonn Climate Registry
- carbonn Climate Registry
- Brookings Institution
- Bipartisan Policy Center
- BiodivERsA
