| Safe drinking water | GEO-7, GEO-1-6 |
| Sahel | GEO-7, GEO-1-6 |
| Saltwater intrusion | GEO-7 |
| Sand and dust storms | GEO-7, GEO-1-6 |
| Savannization | GEO-7 |
| Scale | GEO-7, GEO-1-6 |
| Scenario | GEO-7, GEO-1-6 |
| Scenario analysis | GEO-7 |
| Sea Level Rise | GEO-7 |
| Secondary resources | GEO-7 |
| Security | GEO-7, GEO-1-6 |
| Sediment | GEO-7, GEO-1-6 |
| Sediment concentration | GEO-7, GEO-1-6 |
| Sedimentation | GEO-7, GEO-1-6 |
| Sensitivity | GEO-7, GEO-1-6 |
| Sequestration | GEO-7, GEO-1-6 |
| Sewage | GEO-7, GEO-1-6 |
| Shared socioeconomic pathways | GEO-7 |
| Sharing economy | GEO-7, GEO-1-6 |
| Shock | GEO-7 |
| Sink | GEO-7, GEO-1-6 |
| Smart cities | GEO-1-6 |
| Smart thermostats | GEO-7 |
| Social capital | GEO-7 |
| Social cost | GEO-7 |
| Social Cost of Carbon | GEO-7 |
| Social innovation | GEO-7 |
| Social justice | GEO-7 |
| Social norms | GEO-7 |
| Social practices | GEO-7 |
| Social sustainability | GEO-7 |
| Social value | GEO-7 |
| Socio-economic transformation | GEO-7 |
| Socio-technical transition | GEO-7 |
| Socioeconomic | GEO-7, GEO-1-6 |
| Soil | GEO-7, GEO-1-6 |
| Soil carbon | GEO-7, GEO-1-6 |
| Soil conservation | GEO-7, GEO-1-6 |
| Soil contamination | GEO-7, GEO-1-6 |
| Soil disturbance | GEO-7, GEO-1-6 |
| Soil erosion | GEO-7, GEO-1-6 |
| Soil formation | GEO-7 |
| Soil health | GEO-7, GEO-1-6 |
| Soil pollution | GEO-7, GEO-1-6 |
| Soil salinization | GEO-7, GEO-1-6 |
| Soil sealing | GEO-7, GEO-1-6 |
| Solar home systems | GEO-7 |
| Solution pathways | GEO-7 |
| Source | GEO-7, GEO-1-6 |
| Spatial planning | GEO-7, GEO-1-6 |
| Species diversity | GEO-7, GEO-1-6 |
| Species extinction | GEO-7 |
| Species richness | GEO-7, GEO-1-6 |
| Stakeholder analysis | GEO-7, GEO-1-6 |
| Stewardship | GEO-7, GEO-1-6 |
| Stormwater | GEO-7 |
| Stranded assets | GEO-7 |
| Structural adjustment | GEO-7 |
| Stunting | GEO-7, GEO-1-6 |
| Subsidies | GEO-7 |
| Succession | GEO-7, GEO-1-6 |
| Surface water | GEO-7, GEO-1-6 |
| Suspended sediment | GEO-7 |
| Sustainability | GEO-7, GEO-1-6 |
| Sustainable agriculture | GEO-7, GEO-1-6 |
| Sustainable development | GEO-7, GEO-1-6 |
| Sustainable development goal | GEO-7, GEO-1-6 |
| Sustainable finance | GEO-7 |
| Sustainable governance | GEO-7 |
| Sustainable infrastructure | GEO-7 |
| Sustainable intensification | GEO-7 |
| Sustainable land management | GEO-7, GEO-1-6 |
| Synergies | GEO-7, GEO-1-6 |
| System | GEO-7, GEO-1-6 |