Research & information: general 8 Biology, life sciences 7 Ecological science, the Biosphere 5 Climate change 4 Social & cultural anthropology, ethnography 4 Archaeology 2 Conservation of the environment 2 Cultural studies 2 Environmental policy & protocols 2 Exhibition catalogues & specific collections 2 Geology & the lithosphere 2 Philosophy 2 Social & cultural history 2 Social impact of environmental issues 2 Society & culture: general 2 The environment 2 linguistics 2 Agriculture & farming 1 Ancient history: to c 500 CE 1 Animals & society 1 Anthropology 1 Applied ecology 1 Astronomy, space & time 1 Biodiversity 1 Buddhist life & practice 1 Central government policies 1 Classic fiction (pre c 1945) 1 Classic science fiction 1 Communication studies 1 Crime & criminology 1