| Term | Report |
|---|---|
| Habitat | GEO-7, GEO-1-6 |
| Habitat connectivity | GEO-7, GEO-1-6 |
| Habitat fragmentation | GEO-7, GEO-1-6 |
| Habitat loss | GEO-7, GEO-1-6 |
| Hazard | GEO-7, GEO-1-6 |
| Hazardous waste | GEO-7, GEO-1-6 |
| Heat island | GEO-7, GEO-1-6 |
| Heat pump | GEO-7 |
| Heavy metals | GEO-7, GEO-1-6 |
| Heterozygosity | GEO-7 |
| High seas | GEO-7, GEO-1-6 |
| Host | GEO-7, GEO-1-6 |
| Human and natural systems | GEO-7 |
| Human health | GEO-7, GEO-1-6 |
| Human rights | GEO-7 |
| Humic | GEO-7, GEO-1-6 |
| Hunger | GEO-7 |
| Hydraulic fracturing | GEO-7, GEO-1-6 |
| Hydrologic | GEO-7, GEO-1-6 |
| Hydrological cycle | GEO-7, GEO-1-6 |
| Hydrology | GEO-7, GEO-1-6 |
| Hydroponics | GEO-7, GEO-1-6 |
| Hypersaline water | GEO-7, GEO-1-6 |
| Hypoxia | GEO-7, GEO-1-6 |