Natural disasters 38 Research & information: general 21 European history 20 Social impact of disasters 18 Slovenia 16 History of medicine 15 Postwar 20th century history, from c 1945 to c 2000 15 Second World War 15 Climate change 13 Development studies 13 Human geography 12 Environmental economics 10 History of engineering & technology 9 Geographical information systems (GIS) & remote sensing 8 Sociology 8 Development economics & emerging economies 7 Economic & financial crises & disasters 7 Politics & government 7 The environment 7 Economics 6 Environmental policy & protocols 6 Hydrology & the hydrosphere 6 Meteorology & climatology 6 Public health & preventive medicine 6 Society & culture: general 6 Central government policies 5 Electrical engineering 5 Environmental management 5 Environmental science, engineering & technology 5 International relations 5