 | repoblamiento urbano | Term without description | Term without children | Elementos |
| represas hidroeléctricas en Costa Rica | Term without description | Term without children | Elemento |
| Reserva biológica | Term without description | Term without children | Elemento |
| residuos peligrosos | Term without description | Term without children | Elemento |
| Residuos sólidos | Term without description | Child | Elementos |
| Resiliencia | Term without description | Term without children | Elementos |
| Resiliencia climática | Term without description | Term without children | Elementos |
| resiliencia social y económica | Term without description | Term without children | Elementos |
| resiliencia urbana | Term without description | Term without children | Elemento |
| resistencia | Term without description | Term without children | Elemento |
| responsabilidad ambiental | Term without description | Term without children | Elemento |
| responsabilidad social | Term without description | Term without children | Elemento |