Effect of human beings on Environmental responsibility Nature 28 Environmental policy 6 Human ecology 6 Social aspects 6 Environmentalism 5 more ... Environmental aspects 4 Environmental degradation 4 Environmental ethics 4 Environmental protection 4 Ecology 3 Ecotourism 3 Endangered species 3 Global environmental change 3 Nature conservation 3 Political aspects 3 Wild animal trade 3 Burial 2 Climatic changes 2 Conservation of natural resources 2 Environmental psychology 2 Funeral rites and ceremonies 2 Green movement 2 International cooperation 2 Natural resources 2 Philosophy 2 Psychological aspects 2 Resource-based communities 2 Citizen participation 1 less ...