Mass media 42 Environmental pollution-- Effects of humans, pollution on ecology 31 Environmental pollution-- Effects of humans-- pollution on ecology 31 Social aspects 24 Dissertations, Academic (Ph.D) 21 History 19 Agriculture 17 Pollution 17 Ecology 15 Economics 15 Pharmacology and Toxicology 15 Research 15 Toxicology 15 adverse effects 15 Climatic changes 14 Social conditions 14 Agronomy 13 Globalization 13 Communication 12 Soil Science and Agricultural Chemistry 12 methods 12 Global warming 11 Women 11 Nanostructured materials 10 Pesticides 10 Plant Breeding and Genetics 10 Biotechnology 9 Genetics 9 Psychological aspects 9 physiology 9