Environmental policy -- Pollution -- Air -- 2 Developing countries 2 Environmental aspects 2 Government policy -- 2 Case studies 1 more ... Case studies -- 1 Economic aspects 1 Economic aspects -- 1 Environmental protection 1 Environmental protection -- 1 Environmental risk assessment -- 1 Global warming -- 1 Greenhouse gases -- 1 International cooperation 1 International cooperation -- 1 Marine pollution -- 1 Maritime law 1 Nuclear power plants -- 1 Politics and government -- 1 Safety measures -- 1 Transboundary pollution -- 1 less ...