Ngā pukapuka me ngā arapāho

Effect of human beings on Nature 99 Human ecology 37 History 15 Ecology 13 Environmental protection 11 Sustainable development 11 Environmental conditions 10 Conservation of natural resources 9 Environmental aspects 9 Philosophy 8 Environmental policy 7 Climatic changes 6 Global environmental change 6 Landscape changes 6 Environmental degradation 5 Environmental sciences 5 Environmentalism 5 Pollution 5 Economic development 4 Human beings 4 Human geography 4 Land use 4 Natural resources 4 Biosphere 3 Effect of environment on 3 Greenhouse effect, Atmospheric 3 Political aspects 3 Readers 3 Social conditions 3