- Safety in Nuclear Power Plants
- Safety, Health, and Security Standards for Water Resource Recovery
- Sanitation and Sustainable Development in Japan
- Save Your Life with the Elixir of Water: Becoming pH Balanced in an Unbalanced World
- Screening Tool for Energy Evaluation of Projects
- Search Wonder
- Seasteading
- Second Nature
- Seminare il futuro
- Spiegelbild der Gesellschaft
- Standard Methods for the Examination of Water and Sewage
- Statistique et recherches interdisciplinaires
- Steering a New Course
- Stormwater, Watershed, and Receiving Water Quality Modeling
- Strategie per la riduzione dei disastri
- Summary: How to Avoid a Climate Disaster (Illustrated Study Aid by Scott Campbell)
- Sustainability and Energy Management for Water Resource Recovery Facilities