Economic aspects Environmental policy -- Environmental aspects 10 Economic development -- 5 Sustainable development 4 Economic aspects -- 3 Environmental economics 3 more ... International trade -- 3 Economic policy -- 2 Political aspects 2 Sustainable development -- 2 Air -- 1 Envcironmental policy -- 1 Environment of policy -- 1 Environmental law, International 1 Environmental law, International -- 1 Environmental risk assessment -- 1 Environmentalism -- 1 Global warming -- 1 Government policy -- 1 Greenhouse gases -- 1 International co-operation -- 1 International cooperation 1 International cooperation -- 1 International economic relations 1 Local government 1 Political participation 1 Pollution -- 1 Pressure gropus 1 Pressure groups -- 1 less ...