8,776 research outputs found
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Front yards as green infrastructure: Fragmented yard ecosystems across single-family neighborhoods in Los Angeles
Efforts to incentivize green infrastructure on residential lands confront a range of challenges entangled in existing private property regimes. Land tenure fragments residential landscape management structures and limits who is able to make land cover changes on a property, exacerbating environmental problems and distributional inequity. This thesis explores how land tenure impacts front yard management practices and contributes to patterns of fragmentation and connectivity across residential landscapes in the City of Los Angeles. It assesses the relationships between land tenure and patterns of green infrastructure across neighborhood landscapes through the geospatial analysis of 120 yard surveys and a series of semi-structured resident interviews. Ultimately, it finds that owner occupancy is positively correlated with green infrastructure rich front yards, and identifies patterns of structural fragmentation and spatial mimicry across neighboring properties. It also provides further insights into the way socio-ecological influences shape landscaping decisions and build connectivity between residential yards
Summary Progress Report: Active Living by Design Grant Program
Evaluates the outcomes of RWJF's five-year initiative designed to enhance built environments and facilitate physical activity. Examines community partnerships' impact on fundraising, media coverage, programs, policy and planning, and physical projects
Differentiating Urban Forms: A Neighborhood Typology for Understanding Urban Water Systems
With rising populations and changing climates, urban areas need water systems capable of meeting a range of social, economic and environmental sustainability objectives. Different configurations of urban growth and development also produce varying water system outcomes. In this paper we develop a multi-dimensional classification scheme that identifies distinct configurations of âurban formsâ in Northern Utah, USA. We identified characteristics within urban landscapes that have been linked in the scientific literature to three types of water outcomes: water demand, water budgets, and water quality. Using publicly-available data at the census block scale, we create a typology of urban neighborhoods that share distinctive combinations of natural, built, and social structures that are expected to shape water system dynamics. The resulting typology provides a conceptual and empirical basis to generate hypotheses and design studies of complex urban water systems. We illustrate the value of the typology by using data from surveys of urban residents. While our typology classifications are unique to this region, the methodology relies on publicly available data and could be replicated in other urban areas
Housing and Mobility Toolkit for San Mateo County
Since the end of the Great Recession, San Mateo County has attracted new workers at a record rate without building anywhere near enough housing. This jobs-housing imbalance drives the cost of housing up and forces many moderate and lower-income employees and their families out of the County. A lack of access to quality affordable housing in the County and the entire Bay Area along with limited transportation options means that an increased number of employees drive in and out of the County every workday. The resultant congestion, gridlock, and long commutes along with other negative environmental, social, and economic impacts create a major concern for communities in the County and beyond. Clearly, this problem has two distinct but interrelated dimensions: housing development and transportation planning. A select group of Mineta Transportation Institute (MTI) Research Associates worked closely with representatives from the San Mateo County Home for All initiative to help address this challenge by developing a toolkit of successful case studies with a holistic approach to housing development and transportation planning
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Enabling Future Sustainability Transitions: An Urban Metabolism Approach to Los Angeles Pincetl et al. Enabling Future Sustainability Transitions
Summary: This synthesis article presents an overview of an urban metabolism (UM) approach using mixed methods and multiple sources of data for Los Angeles, California. We examine electric energy use in buildings and greenhouse gas emissions from electricity, and calculate embedded infrastructure life cycle effects, water use and solid waste streams in an attempt to better understand the urban flows and sinks in the Los Angeles region (city and county). This quantification is being conducted to help policy-makers better target energy conservation and efficiency programs, pinpoint best locations for distributed solar generation, and support the development of policies for greater environmental sustainability. It provides a framework to which many more UM flows can be added to create greater understanding of the study area's resource dependencies. Going forward, together with policy analysis, UM can help untangle the complex intertwined resource dependencies that cities must address as they attempt to increase their environmental sustainability
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