| Cadrg (1) | Carrying capacity (1) | Chaos (1) |
| Chemical Properties (1) | Climate change adaptation (1) | Coastal areas (1) |
| Coastal resilience (1) | Collective Action (1) | Collective behavior (1) |
| Collective Solidarity (1) | Colombia (1) | Common fishing ground (1) |
| Common pool resources (1) | common-pool resources (2) | commons (2) |
| comparative case study analysis (1) | Complex systems (1) | Congruence (1) |
| Consumer (1) | coupled infrastructure system (1) | Coupled infrastructure systems (1) |
| Critical transformation (1) | Cultural Ethnic Soildarity (1) | |
