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Cities worldwide have embraced the idea of integrated stormwater management using more decentralised and green infrastructures to enhance urban sustainability. Los Angeles County has recently introduced a new stormwater tax that envisions achieving sustainable stormwater futures through far-reaching infrastructural change. While embracing such visions, however, different actors seek to use tax revenues for diverging infrastructure designs. Our paper therefore explores shifting stormwater politics in Los Angeles by highlighting the social relations underlying technology. Technical disputes that we frame as combinations of material artefacts, discourses, expertise and institutions provoke the specific "material politics" behind the emergence of a hybrid stormwater system in which centralised stormwater practices of incumbent public utilities predominate but increasingly co-exist with more decentralised landscape-centred practices and become interdependent on them. We argue that technical disputes reflect ambiguities about a future stormwater system and engender the renegotiation of responsibility, knowledge orders and the overall rationale of stormwater management. An inherited focus on controlling stormwater volumes thwarts attempts to couple stormwater and urban greening improvements more tightly. We conclude by emphasising that infrastructures are relational systems that carry many potential stormwater futures and by outlining ways to better align stormwater management with wider urban sustainability objectives. [ABSTRACT FROM AUTHOR]

This paper seeks to move considerations of just sustainability into the realm of urban parks. The Audubon Center at Debs Park, an urban nature centre located within a Los Angeles, CA, park, provides the means to examine one manifestation of just sustainability in urban recreational space; in its espousal of both environmental sustainability and environmental justice-oriented goals, the centre appears to be representative of a justly sustainable project. This paper then suggests that there are numerous avenues through which park projects may engage more robustly with just sustainability and briefly discusses what justly sustainable projects that place distributive and procedural justice at their centres may look like. Accruing evidence for the ecological and social benefits of parks for nature and society underscores the value of a just sustainability agenda in park research and planning. [ABSTRACT FROM AUTHOR]

This paper presents the results of ethnographic research conducted with several environmental justice (EJ) organisations in Latino communities of Los Angeles, California. Traditional EJ politics revolves around research and advocacy to reduce discriminatory environmental exposures, risks, and impacts. However, I argue that in recent years there has been a qualitative change in EJ politics, characterised by four main elements: (1) a move away from the reaction to urban environmental “bads” (e.g. polluting industries) in the city towards a focus on the production of nature in the city; (2) strategies that are less dependent on the legal, bureaucratic, and technical “regulatory route”; (3) the formation of a distinctive “Latino environmental ethic” that offers a more complex consideration of the place of race in EJ organising; and (4) a spatial organisation of EJ politics that moves away from hyperlocal, vertical organisation towards diversified city-wide networks that include EJ organisations, mainstream environmental groups, nonprofits, foundations, and entrepreneurs. This shift in EJ movement politics is shaped by broader political-economic changes, including the shift from post-Fordist to neoliberal and now green economy models of urban development; the influence of neoliberal multiculturalism in urban politics; and the increasingly prominent role of Latinos in city, state, and national politics. New spaces of Latino EJ also reflect the ambitions of Los Angeles as a global city, with urban growth increasingly framed in an international discourse of sustainability that combines quality of life, environmental, and economic development rationales. [ABSTRACT FROM PUBLISHER]

Much has been made of the need for cities to become more sustainable, particularly since for the first time in human history over half of the world's population are urban dwellers. Cities concentrate human activities in an exceptionally powerful manner, and this includes resource use and the generation of pollution. Attention has turned towards cities for their capacity to enhance and use nature's services - ecological sustainability - to remediate some of their own environmental impacts. Insufficient attention has been paid to the challenges of implementation of this new approach to infrastructure in an era of devolution and skepticism about government. This paper discusses these twin and interwoven questions through the lens of an on-going natural experiment, the implementation of a million tree-planting campaign in Los Angeles, CA. [ABSTRACT FROM AUTHOR]

Within the park-deprived inner-city landscapes of Los Angeles, an unprecedented change is underway. Long considered to be the epitome of anti-nature, Los Angeles is witnessing a boom in park development and ecological restoration. Derelict, blighted and contaminated inner-city brownfield sites are being converted to greenspaces, nature parks and wildlife refuges. Indeed, Los Angeles has been the recent recipient of hitherto unimaginable political and fiscal support to ameliorate the dearth of parks in its neglected urban core. This paper situates the current round of park development within its historical context, by focusing on a very particular local site - the Kenneth Hahn State Recreation Area. Applying the theoretical lens of political ecology, the authors trace some of the political, economic, ecological and institutional factors from the late 1920s onwards, which engendered the creation of a park atop an oilfield. In so doing, the authors deepen the understanding of how local greenspace allocation, poverty, race and political power are oftentimes complexly entangled. Precursor to a much larger project currently in the planning and development stages, the creation of the Kenneth Hahn State Recreation Area reveals some of the ways that the Southern California oil industry has shaped nature spaces in Los Angeles. [ABSTRACT FROM AUTHOR]

There currently seems to be a clear lack of shared understanding of both the physical and spiritual needs of the diverse population of Detroit, Los Angeles and most other large cities. Admittedly, this is not an isolated condition for cities in a revitalization transition. The land adjacent to any city center has a peculiar evolution in the accordion-like economics of time. I am suggesting that a new urban ecology must evolve and reflect a holistic and interconnectedness among community, environment, education, culture, employment and government; allowing the needs and problems of a large city to become a least a piece of the solution. Imagination is required and with that comes responsibilities of seeking and exploring new paradigms of renewal. [ABSTRACT FROM AUTHOR]

This article presents the results of a comparative study of environmental policy making in Toronto and Los Angeles. The study was intended to explain how social formations at the urban scale play an increasingly important role in constructing environmental policy and practice as articulated in documents, rhetoric and political actions. It is suggested that environmental policy is embedded in broader and more long-term political goals, and that ecological discourse is not only about the environment but also brings together various social projects under the environmental protection flag. The four case studies— in Toronto, contaminated soil and the Don River were examined, and in Los Angeles air pollution and the Los Angeles River—revealed considerable variation but all reflected an agenda of ecological modernisation. In particular it was found that demands for maintaining or improving environmental integrity and coherence have lost legitimacy to concerns for efficiency, competitiveness, marketability, flexibility and development. Similarly, market driven regulation and an openness to civil society have played a major role in transforming policy making apparatuses. In contrast, the cases revealed that relationships between nature and society go beyond those expected in ecological modernisation theory and include both social ecology and urban ecology. [ABSTRACT FROM AUTHOR]