Land use Planning 131 History 130 Land tenure 88 Environmental aspects 85 Law and legislation 73 Government policy 69 more ... City planning 63 Economic conditions 39 Environmental conditions 39 Sustainable development 38 Economic aspects 37 Social conditions 37 Social aspects 36 Agriculture 35 Human ecology 34 Management 34 Natural resources 32 Regional planning 32 Right of property 29 Public lands 28 Ecology 23 Landscapes 23 Cities and towns 22 Politics and government 22 Environmental policy 21 Growth 21 Conservation of natural resources 20 Landscape changes 20 Urbanization 20 less ...