• Eigenschaft [benutze Unterbegriffe]
• Flüsse [Europa]
• [Administration, Management, Institutions, Planning, Politics]
• [Agriculture, Forestry, Animal Husbandry, Fishery]
• [Allgemeine und übergreifende Begriffe - Umwelt, Umweltmedien]
• [Allgemeine und übergreifende Begriffe - Umweltnutzung, Technik]
• [Atmosphere, Climate]
• [Biosphere - Organisms, Biological Systems and Processes]
• [Chemical Substances and Processes]
• [Conventions, Legislation]
• [Earth and Outer space]
• [Economics, Finance]
• [energy and resources]
• [recreation, leisure, tourism]
• [society and social affairs]
• [Health, Nutrition]
• [trade, commerce and services]
• [historical geographic names]
• [hydrosphere - water and water bodies]
• [Information, Education, Culture]
• [landscape, geography, geology]
• [lithosphere, soils]
• [Ozeane und Meere]
• [physical aspects and processes]
• [Pollutants, Wastes, Pollution]
• [Produkte, Materialien, Werkstoffe]
• [use and management of resources]
• [risks, safety]
• [protection of nature, landscape, soils and waters]
• [Sonstige Begriffe]
• [Stillgelegte Begriffe]
• [Technical Processes, Equipments]
• [Traffic and Transportation]
• [Umweltpolitik, Umweltschutzgesetzgebung]
• [urban environment, built structures, material measures]
• [Values, Norms, Technical Standards]
• [knowledge, science, research, acquisition of information]