| Term | Report | | Waste | GEO-7 |
| Wastewater | GEO-7 |
| Wastewater treatment | GEO-7, GEO-1-6 |
| Wasting | GEO-7, GEO-1-6 |
| Water abstraction | GEO-7 |
| Water column | GEO-7, GEO-1-6 |
| Water cycle | GEO-7 |
| Water pricing | GEO-7, GEO-1-6 |
| Water quality | GEO-7, GEO-1-6 |
| Water risk | GEO-7, GEO-1-6 |
| Water scarcity | GEO-7, GEO-1-6 |
| Water security | GEO-7, GEO-1-6 |
| Water services | GEO-7, GEO-1-6 |
| Water stress | GEO-7, GEO-1-6 |
| Water supply | GEO-7, GEO-1-6 |
| Water-borne disease | GEO-7, GEO-1-6 |
| Watershed | GEO-7 |
| Watershed services | GEO-7, GEO-1-6 |
| WEOG | GEO-7 |
| Whole-of-government | GEO-7 |
| Whole-of-society | GEO-7 |
| Wildfire | GEO-7 |
| Wildlife | GEO-7, GEO-1-6 |
| Wildlife management | GEO-7, GEO-1-6 |
| Wind erosion | GEO-7, GEO-1-6 |
| Woodland | GEO-7, GEO-1-6 |