Environmental aspects 8 Case studies 3 Environmental protection 3 International cooperation 3 Technology 3 Technology transfer 3 Chemical industry 2 Chemicals 2 Congresses 2 Eisen- und Stahlindustrie 2 Fertility, Human 2 Green technology 2 Law and legislation 2 Manufacturing industries 2 Statistik 2 Steel industry and trade 2 Sustainable development 2 Air 1 Air quality management 1 Annuaires 1 Arab-Israeli conflict 1 Aromatic plants 1 Bills of lading 1 Botanical drug industry 1 Civilization 1 Climatic changes 1 Conservation of natural resources 1 Contracts, Maritime 1 Demographic surveys 1 Dessalement 1