Effect of human beings on Environmental aspects Nature 21 Climatic changes 10 Pollution 6 Human ecology 5 Social aspects 4 Máis ... Ecology 3 Environmental degradation 3 Environmental protection 3 City planning 2 Climatology 2 Economic aspects 2 Environmental policy 2 Environmental responsibility 2 Environmental toxicology 2 Natural disasters 2 Population 2 Sustainable development 2 Urban ecology (Sociology) 2 Weather 2 Atmospheric chemistry 1 Automobiles 1 Cities and towns 1 Climatic change 1 Climatic change mitigation 1 Consumption (Economics) 1 Culture and tourism 1 Dependency (Psychology) 1 ECOLOGY 1 menos ...