Despite decade old calls for a ''just sustainability,'' urban sustainability policy and practice remains oriented toward environmental outcomes and eco-lifestyle projects. Notions of equity, justice, and inclusion continue to be marginalized in favor of technological solutions, such as green buildings, that are visible, easy to implement, and help to promote economic development. By examining a controversy over a bikeway development project in a rapidly gentrifying neighborhood in Northeast Portland, Oregon, this article explores how despite apolitical appeals to broadly shared values or visions of what a sustainable city ought to look like, sustainability projects can be-and perhaps should be-hotly contested. This article illustrates how sustainable development projects become sites of political debate, and provide space for environmental and social justice concerns to enter into the broader discourse on sustainability. Following the work of environmental justice advocates and scholars critiquing urban sustainability, this article contributes to the analysis and practice of efforts to advance a more socially robust, equitable, and political notion of sustainability.

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Over the course of the past two decades, bicycling has become increasingly popular in the USA. Although the rate of bike trips made in the USA has more than tripled since 1977, it is relatively low compared with many European cities (Pucher et al., 2011a). In urban areas throughout the USA, bicycling is increasingly being touted as an environmentally friendly way to enhance transit choice as public transportation budgets are slashed and automobile infrastructures remain congested. Discourse around the proliferation of bicycling infrastructure development in American cities often obscures complex aspects of community-level choice regarding transit, including the placement and implementation of bike lanes. This paper seeks to explore the dynamic ways that community members and city planners make sense of bike infrastructure development in Chicago, Illinois. Qualitative interviews and participant observation were employed to clarify the community context of bike lane development in a gentrifying area of the city. We find that community engagement is a critical component of promoting the acceptance and use of bike infrastructure and discuss the role of a community bike shop in facilitating community engagement around bicycling in the neighbourhood of Humboldt Park, home to the second largest Puerto Rican community in the USA.

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This study used ethnographic data to examine the nature and functions of transnational relationships of low-income Latin American women who had immigrated to the United States and were living in areas of extreme poverty. Findings indicated that these Latin American mothers utilized transnational ties to help maintain the cultural identities of themselves and their children, to alleviate social isolation, and to provide a safer summer housing alternative for their children. Transnational ties may have had some negative consequences, including financial and social burdens associated with maintaining long-distance familial relationships. However, despite some negative aspects, we conclude that transnational ties are often an instrumental resource for immigrant mothers living in poverty and are vital to immigrant social mobility.