Environmental aspects -- Climatic changes -- 2 Economic aspects -- 2 Environmental aspects 2 Biological warfare -- 1 Chemical warfare -- 1 Environmental aspect -- 1 more ... Environmental conditions 1 Environmental protection -- 1 Floods -- 1 Foreign economic relations 1 Globalization -- 1 Housing development -- 1 International finance 1 International trade 1 Land use -- 1 Nuclear warfare -- 1 Real estate development -- 1 Sea level -- 1 Social aspects -- 1 Weather control -- 1 World Trade Organization -- 1 less ...