Applied ecology Conservation of the environment 11 Environmental policy & protocols 7 Environmental science, engineering & technology 7 Environment law 5 Sustainable agriculture 5 Climate change 4 Environmental management 4 Biology, life sciences 3 Natural history 3 Biodiversity 2 Civil engineering, surveying & building 2 Development economics & emerging economies 2 Slovenia 2 Social impact of environmental issues 2 The Earth: natural history general 2 Conservation of wildlife & habitats 1 Earth sciences 1 Ecological science, the Biosphere 1 Environmental economics 1 Environmental medicine 1 Ethics & moral philosophy 1 Gender studies, gender groups 1 Geopolitics 1 Jurisprudence & general issues 1 Marine biology 1 Oceanography (seas) 1 Public health & preventive medicine 1 Regional & area planning 1 Regional geography 1