Human geography Geography 32 Sociology 29 Urban & municipal planning 20 Urban communities 14 Development studies 12 Migration, immigration & emigration 10 Central government policies 9 Social impact of disasters 8 Society & social sciences 8 City & town planning - architectural aspects 7 Physical geography & topography 7 Applied ecology 6 Cultural studies 6 Environmental management 6 Environmental science, engineering & technology 6 Sustainability 6 Economics 5 Political science & theory 5 Social & cultural anthropology, ethnography 5 Climate change 4 Energy technology & engineering 4 Media studies 4 Political economy 4 Politics & government 4 Population & demography 4 Regional & area planning 4 Social issues & processes 4 Agricultural science 3 Anthropology 3