| Code | Name |
|---|---|
| F1110115 | Sediment transport and silting |
| F1110199 | Other environmental issues and assessment n.e.c. |
| F1110127 | Renewable energy |
| F1110126 | Environmentalism |
| F1110125 | Environmental racism |
| F1110124 | Acid rain |
| F1110123 | Global warming/climate change |
| F1110122 | Land reclamation |
| F1110121 | Coastal erosion |
| F1110120 | Water resources study |
| F1110119 | Water quality simulation modelling |
| F1110118 | Water pollution |
| F1110117 | Waste water |
| F1110116 | Toxic and hazardous waste |
| F1110101 | Agrowaste |
| F1110114 | Remote sensing |
| F1110113 | Radioactive waste |
| F1110112 | Ozone depletion |
| F1110111 | Nutrient removal process |
| F1110110 | Noise pollution |
| F1110109 | Natural ecosystem |
| F1110108 | Heavy metal waste |
| F1110107 | Groundwater contamination |
| F1110106 | Environmental protection |
| F1110105 | Environmental impact assessment (EIA) |
| F1110104 | Climate change |
| F1110103 | Aquatic environment |
| F1110102 | Air pollution |