Environmental aspects Economic aspects 10 Economic development -- 8 International trade -- 7 Environmental policy -- 5 Social aspects 5 Sustainable development 5 more ... Climatic changes -- 4 International economic relations 4 Political aspects 4 Developing countries 3 Economic policy 3 Free trade -- 3 Globalization -- 3 Developing countries -- 2 Energy policy -- 2 Environmental law, International 2 Globalization 2 International cooperation 2 International relations -- 2 Sustainable development -- 2 Armed Forces -- 1 Biological warfare 1 Biological weapons -- 1 Capitalism 1 Chemical warfare 1 Climate cjanges -- 1 Climatic chnage -- 1 Commercial policy 1 Comparative government 1 less ...