Related by context. Frequent words. (Click for all words.) 72 urbanization 65 rapid urbanization 62 Urbanisation 55 Globalization 55 desertification 54 environmental degradation 53 Population 51 Industrialization 51 Socio economic 51 rapid industrialization 49 Global warming 49 industrialization 49 urban sprawl 49 Droughts 49 megacities 49 Deforestation 48 Globalisation 47 Biodiversity 46 Inequality 46 Ecological 45 biodiversity 45 anthropogenic 45 overgrazing 44 Ecosystems 44 deforestation 44 Sustainable Development 43 bio diversity 43 Environmentalism 43 floods droughts 43 soil erosion 43 suburban sprawl 42 ecology 42 transboundary 42 arable land 42 urbanized 42 Poverty 42 ecological 42 Illiteracy 42 Modernity 42 siltation 42 depopulation 41 Populations 41 demography 41 ecosystems 41 forestation 41 globalization 41 Pollution 41 semi arid 41 Erosion 40 Malnutrition 40 Climate 40 Militancy 40 climate change 40 Consumerism 40 Protected Areas 40 urbanism 40 Overcrowding 40 Accelerating 40 coastal ecosystems 40 urban 40 Technological 40 Organic farming 40 Societal 40 Uncontrolled 39 Polluted 39 Modernization 39 overpopulation 39 Demographic 39 Displacement 39 Colonialism 39 Geography 39 crop yields 39 Farming 39 industrializing 39 Warmer temperatures 39 inequality 39 Economies 39 Scarcity 38 social cohesion 38 impoverishment 38 rice cultivation 38 Ecotourism 38 afforestation 38 Ecosystem 38 Sustainability 38 scarcity 38 socio economic 38 Sustainable 38 Rural Areas 38 ESCAP 38 melting glaciers 38 coastal erosion 38 population 38 non communicable diseases 38 Combating 38 epidemics 37 biodiversity conservation 37 Poverty Alleviation 37 croplands 37 Cultivation 37 interdependence