Man -- Influence on nature 3 Influence on nature -- 3 Environmental aspects 2 Environmental protection 2 Climatic changes 1 Congress 1 more ... Congresses 1 Economic conditions 1 Economic development -- 1 End of the world -- 1 Environment aspects -- 1 Environmental protection -- 1 Environmental sciences -- 1 Extinction (Biology) 1 Greenhouse effect, Atmospheric 1 History 1 Land settlement -- 1 Moral and ethical aspects 1 Nature conservation 1 Paleoecology 1 Pollution -- 1 Sustainable development -- 1 less ...