| Expert Type | Applied Sciences / Technologies / Engineering |
| Topic Atmosphere | Atmosphere |
| Meteorology |
| Air Pollution |
| Topic Hydrosphere | Hydrosphere |
| Fresh Water Systems / Rivers / Lakes |
| Water Pollution / Waste Water |
| Topic Cryosphere | Cryosphere |
| Glaciers |
| Snow Cover |
| Topic Pedosphere | Pedosphere |
| Soil Formation |
| Soil Degradation / Erosion / Desertification |
| Soil Pollution and Restauration |
| Geology / Sediments |
| Topic Lithosphere | Lithosphere |
| Tectonics |
| Sediments: Formation, Dynamics, Metamorphism |
| Magmatic Rocks: Formation, Metamorphism |
| Morphodynamics |
| Topic Biosphere | Biosphere |
| Plants |
| Animals |
| Biodiversity |
| Topic Integrated Systems | Integrated Systems and Ecology |
| Carbon Cycle |
| Biogeochemical Cycles except Carbon |
| Hydrogeochemical Cycle |
| Nutrient Cycle / Food Chain |
| Economic Cycle |
| Life Cycle |
| Topic Ecosystems | Ecosystems |
| Terrestrial Ecosystems |
| Topic Economy/ResourceUse | Economy / Resource Use |
| Agriculture, Forestry and Fishery |
| Food Security |
| Industry |
| Trade / Globalisation |
| Tourism |
| Transport / Mobility |
| Energy |
| Water |
| Mineral Resources |
| Land Cover / Land Use / Landscape |
| Topic Technology | Technology |
| Biotechnology |
| Technical Environmental Protection |
| Recycling |
| Efficiency |
| Topic Politics/Law | Politics / Law |
| Conventions / Protections |
| Topic Society | Society |
| Population Dynamics / Migration / Urbanisation |
| Organisations / Institutions |
| Employment / Social Security / Poverty |
| Perception / Behaviour / Attitudes |
| Topic Culture/History | Culture / History |
| Ethics / Cultural Values |
| Philosophy / Religion |
| Art / Folklore / Symbols / Language |
| Topic Health | Health |
| Infectious / Vector Borne Disease |
| Pollution Effects / Water Quality |
| Weather / Radiation / Climatic Effects |
| Nutrition |
| Topic Sustainability | Sustainability |
| Ecological Sustainability |
| Social Sustainability |
| Economic Sustainability |
| Topic Risk & Disaster Management | Risk Assessment / Forecasting |
| Prevention of Risks and Natural Hazards |
| Spatial Zones | Spatial Zones |
| Time Frame | Past |
| Past: Historical / Archeological |
| Recent / Today |
| Future |
| Statistical Focus | Extreme Events |
| Mean Change / Trends |
| Time Scale | Seasonal / Annual |
| Methods | Data Collection |
| Data Collection - Measurement |
| Data Collection - Interviews, Questionnaires |
| Data Collection - Documents, Archives |
| Data Analysis |
| Literature Study |
| Modeling |
| Policy Analysis and Formation |
| Applied Research / Technology |
| Integrated Assessment |
| Program Coordination / Management |