Climatic changes -- 45 Environmental aspects 32 Climatic changes 24 Environmental aspects -- 8 Environmental policy 7 Climate changes -- 6 Economic aspects 6 more ... Global warming -- 5 Government policy 5 International cooperation 5 Environmental law, International 3 Global warming 3 Government policy -- 3 Environmental ethics 2 International relations -- 2 Law and legislation 2 Social aspects 2 Case studies -- 1 Clamatic changes 1 Climate change -- 1 Climate cjanges -- 1 Climatic -- 1 Climatic chages -- 1 Climatic changes law and legislation 1 Climatic factors 1 Common heritage of mankind international law 1 Developing countries 1 Effect of human beings on 1 Energy policy -- 1 Enviromental aspects -- 1 less ...