- ERA - University of Alberta
- ePrints Soton
- ePrints Soton
- DiscardLess
- DepEd Learning Portal
- D-Scholarship@Pitt
- COSEE: Central Gulf of Mexico
- Coral Reef Algae Lab
- Coral Reef Algae Lab
- Connect Innovate UK
- Coalition Clean Baltic
- CITA-A - Universidade dos Açores
- Cheetah Conservation Fund
- Centre for Climate Change Research (CCCR)
- Centre for Biodiversity Theory and Modelling
- Centre for Biodiversity Theory and Modelling
- Centre for Biodiversity Theory and Modelling
- Centre for Biodiversity Theory and Modelling
- Centre for Biodiversity Theory and Modelling
- Center for the Advanced Study of India
- Cayman Islands Department of Environment