Sõnastikus on 568 märksõna.
| EN | Hartwick’s rule |
| EN | hazard |
| EN | hazardous waste |
| EN | health impact assessment (HIA) |
| EN | heat pump |
| EN | heritage landscape (semi-natural community) |
| EN | holism |
| EN | holistic thinking |
| EN | human capital |
| EN | human development index (HDI) |
| EN | human ecology |
| EN | human needs |
| EN | human poverty index (HPI) |
| EN | hydrogen energetics |
| EN | hydropower |
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