To date, little is known about the extent to which the creation of municipal green spaces over an entire city addresses social or racial inequalities in the distribution of environmental amenities or whether such an agenda creates contributes to green gentrification. In this study, we evaluate the effects of creating 18 green spaces in socially vulnerable neighborhoods of Barcelona during the 1990s and early 2000s. We examined the evolution over time of six socio-demographic gentrification indicators in the areas close to green spaces in comparison with the entire districts. Our results indicate that new parks in the old town and formerly industrialized neighborhoods seem to have experienced green gentrification. In contrast, most economically depressed areas and working-class neighborhoods with less desirable housing stock and more isolated from the city center gained vulnerable residents as they became greener, indicating a possible redistribution and greater concentration of vulnerable residents through the city.

Scholars in urban political ecology, urban geography, and planning have suggested that urban greening interventions can create elite enclaves of environmental privilege and green gentrification, and exclude lower-income and minority residents from their benefits. Yet, much remains to be understood in regard to the magnitude, scope, and manifestations of green gentrification and the forms of contestation and resistance articulated against it. In this paper, we propose new questions, theoretical approaches, and research design approaches to examine the socio-spatial dynamics and ramifications of green gentrification and parse out why, how, where, and when green gentrification takes place.

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Although urban sustainability programs frequently include measures that focus on the environmental and economic components of sustainability, the social dimension of sustainability remains underrepresented. An analytical vulnerability approach from global change vulnerability research provides one way to evaluate the distributional impacts and procedural aspects of sustainability initiatives. I apply the vulnerability approach to a study of one contemporary sustainability initiative in New York City, brownfield redevelopment, and identify populations who are vulnerable to the negative impacts of the redevelopment process: elderly residents, renters, and residents receiving government assistance. The results of the case study suggest that the vulnerability approach provides a way to develop indicators of social sustainability for inclusion in existing urban sustainability indicator projects.