Environmental degradation Environmental protection 10 Environmental policy 9 Pollution 9 Environmental management 5 Human ecology 5 Nature 5 Economic development 4 Environmental economics 4 Global environmental change 4 Sustainable development 4 Global warming 3 India 3 Land Resources 3 Pollution and Degradation 3 Social Psychology and Social Anthropology, (New March 2000) 3 Biodiversity 2 Climatic changes 2 Deforestation 2 Ecological disturbances 2 Environmental aspects 2 Environmental ethics 2 Environmentalism 2 Land management 2 Marine pollution 2 Mining 2 Natural disasters 2 Natural resources 2 Political ecology 2 Remote sensing 2