Anthropocene 18 Applied ecology 10 Philosophy 10 Climate change 9 Social & cultural anthropology, ethnography 8 The environment 8 Anthropology 7 Biology, life sciences 7 Media studies 7 Ethics & moral philosophy 6 Cultural studies 5 Philosophy & theory of education 5 Research & information: general 5 Environmentalist thought & ideology 4 Human geography 4 Social impact of environmental issues 4 Theory of architecture 4 Theory of art 4 climate change 4 Architecture 3 Earth sciences, geography, environment, planning 3 Education 3 Environmental policy & protocols 3 Geography 3 Science: general issues 3 Teaching of a specific subject 3 Animals & society 2 China 2 Critical care surgery 2 Curriculum planning & development 2