activism american-cities architectural-criticism architectural-design architectural-heritage architectural-history architectural-theory architecture cities citizen-activism citizen-engagement city city-activism city-aesthetics city-architecture city-culture city-design city-development city-diversity city-dwellers city-dynamics city-economics city-economies city-economy city-governance city-government city-growth city-history city-infrastructure city-life city-livability city-living city-management city-neighborhoods city-planning city-policies city-politics city-problems city-redevelopment city-resilience city-revitalization city-streets city-transportation cityscape civic-engagement community community-activism community-building community-development community-dynamics community-engagement community-involvement community-organizing crime-prevention cultural-diversity density diversity downtown-revitalization economic-development economic-vitality economics environmental-planning environmental-sustainability gentrification grassroots-activism grassroots-movements green-spaces historic-preservation historical-analysis historical-perspective historical-preservation housing human-scale infrastructure jane-jacobs life local-economy metropolitan-areas metropolitan-development mixed-use mixed-use-development mixed-use-neighborhoods neighborhood neighborhood-activism neighborhood-development neighborhood-diversity neighborhood-dynamics neighborhood-revitalization neighborhood-safety neighborhood-theory neighborhoods neighbourhoods new-york-city pedestrian-friendly pedestrian-friendly-cities pedestrians placemaking preservation public-participation public-policy public-safety public-space public-spaces public-transportation racial-segregation regeneration revitalization scalability skyscrapers social-activism social-capital social-change social-commentary social-diversity social-dynamics social-fabric social-geography social-inequality social-infrastructure social-interaction social-interactions social-issues social-justice social-networks social-sciences socioeconomic-diversity sociological-analysis sociology street-life streets sustainability sustainable-cities the-built-environment the-death-and-life-of-great-american-cities transportation transportation-planning transportation-policy transportation-systems urban-activism urban-anthropology urban-architecture urban-challenges urban-culture urban-decay urban-decline urban-density urban-design urban-development urban-diversity urban-dynamics urban-ecology urban-economics urban-economies urban-economy urban-environment urban-environments urban-geography urban-governance urban-growth urban-history urban-infrastructure urban-issues urban-landscape urban-landscapes urban-leadership urban-life urban-living urban-neighborhoods urban-planning urban-policy urban-politics urban-poverty urban-problems urban-psychology urban-redevelopment urban-regeneration urban-renewal urban-resilience urban-revitalization urban-sociology urban-spaces urban-sprawl urban-streets urban-studies urban-sustainability urban-systems urban-theory urban-transportation urban-vibrancy urban-vitality urbanism urbanization vibrant-cities vitality walkability walking zoning zoning-laws zoning-regulations