Congresses 96 Women 17 Economic development 15 Environmental aspects 15 Rural development 14 Economic conditions 12 Government policy 11 Social conditions 11 Social aspects 10 Sustainable development 9 Climatic changes 8 Economic policy 8 Economic aspects 6 History 6 Poor 6 Poverty 6 Research 6 Women in development 6 Economic assistance 5 Environmental conditions 5 Environmental policy 5 Politics and government 5 Rural poor 5 Agriculture 4 Architecture 4 Employment 4 Evaluation 4 Land tenure 4 Management 4 Manpower policy 4