| Expert Type | Expert Type |
| Applied Sciences / Technologies / Engineering |
| Topic Integrated Systems | Integrated Systems and Ecology |
| Carbon Cycle |
| Topic Economy/ResourceUse | Economy / Resource Use |
| Agriculture, Forestry and Fishery |
| Food Security |
| Energy |
| Topic Technology | Technical Environmental Protection |
| Recycling |
| Efficiency |
| Topic Sustainability | Sustainability |
| Ecological Sustainability |
| Economic Sustainability |
| Spatial Zones | Spatial Zones |
| Rural |
| Spatial Scale | Spatial Scale |
| Global / Hemispheric |
| Regional |
| Local / Community |
| Time Frame | Recent / Today |
| Future |
| Time Scale | Decadal / Centennial |
| Methods | Applied Research / Technology |
| GeoForum General-Technology | Technologies, Engineering, Physics |
| GeoForum Geo-Technology | Geophysics |
| Geothermics |
| GeoForum Environmental-Technology | Environmental Technologies |
| Recycling Techniques |
| Efficiency |