Related by context. Frequent words. (Click for all words.) 64 urban sprawl 61 suburban sprawl 55 sprawl 53 Urbanization 52 urbanization 51 Global warming 50 Invasive species 49 urbanized 48 Distracted driving 47 Affordable housing 46 urban 46 environmental degradation 46 Skyrocketing 45 Organic farming 45 exurban 45 overdevelopment 45 farmland 44 Overcrowding 44 Droughts 44 Childhood obesity 44 Potholes 44 rapid urbanization 44 overpopulation 43 McMansions 43 Crowding 43 Sprawl 42 blight 42 Desertification 42 strip malls 42 Uncontrolled 41 farmlands 41 Wind turbines 41 traffic congestion 41 greenbelt 41 Illegal immigration 41 Deforestation 41 arable land 41 overpopulated 41 Unhealthy 41 Smoking bans 41 Littering 41 suburbia 40 Flooding 40 Underage drinking 40 Illiteracy 40 urban blight 40 overgrazing 40 Erosion 40 subdivisions 40 Overfishing 40 Sprawling 40 sedentary lifestyles 40 Warm weather 40 gentrification 40 Binge drinking 40 impervious surfaces 40 Gridlock 40 downtowns 40 pine beetle 40 Traffic jams 39 large swaths 39 livability 39 Stagnant 39 Wet weather 39 blighting 39 soil erosion 39 Insecurity 39 croplands 39 cropland 39 Subdivisions 39 blights 39 stormwater runoff 39 Shrinking 39 Drought 39 Escalating 39 Congestion 39 Telecommuting 39 gridlock 39 urban dwellers 39 Sinkhole 39 Secondhand smoke 39 monoculture 39 encroaching 39 exurbs 39 Speeding 39 Violent crime 39 Warmer temperatures 38 Mowing 38 highrises 38 deer herds 38 roads 38 Roundabouts 38 highways 38 skyrocketing 38 vast tracts 38 ecological 38 urban decay 38 Absenteeism 38 Roadwork 38 Break ins 38 pristine wilderness