59 Multi-Benefit Resources


A Meta-Analysis of Hedonic Studies to Assess the Property Value Effects of Low Impact Development

Author: Mazzota et al., Atlantic Ecology Division, US EPA (2014)
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A Meta-Analysis of Hedonic Studies to Assess the Property Value Effects of Low Impact Development analyzed 35 different low impact development valuation studies across the United States. Distance and characteristics of the low impact development affect the hedonic valuation. The most robust determinants of willingness to pay are from locally available low impact developments.

The Effect of Low-Impact-Development on Property Values

Author: Ward et al., ECONorthwest (2008)
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The Effect of Low-Impact-Development on Property Values examines the added value to houses in a zip code in Seattle, WA with low impact development (LID). Homes with LID sold for 3-5% more than other homes with the same amenities. This indicates people value the aesthetic, economic, and natural benefits of LID on properties.

Portland’s Green Infrastructure: Quantifying the Health, Energy, and Community Livability Benefits

Author: City of Portland Bureau of Environmental Services (2010)
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Portland’s Green Infrastructure: Quantifying the Health, Energy, and Community Livability Benefits quantifies the benefits of green infrastructure (GI) initiatives. Using available research and data, the city quantified benefits in energy and described benefits to community livability and health. This report breaks down the benefits by different GI types to show how projects impact each benefit category.

Identifying linkages between urban green infrastructure and ecosystem services using an expert opinion methodology

Author: Elliott et al., Columbia University (2019)
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Identifying linkages between urban green infrastructure and ecosystem services using an expert opinion methodology compares benefits in urban distributed stormwater infrastructure. This is commonly known as green infrastructure (GI), provides a wide variety of benefits. This study offers both a methodology for evaluating the multiple benefits of GI as well as a decision-support tool developed through interviews with 46 academic experts that helps to rank different GI strategies based on their known ability to deliver a variety of co-benefits.

The Napa River Basin, California

Author: Naturally Resilient Communities (2016)
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The Napa River Basin, California provides a short overview of the multi-benefit approach taken by the Napa River communities to mitigate flood risk. The chosen approach deliberately sought not only to reduce the risk and impact of flooding from the Napa River, but also to preserve and restore habitat, reconnect the floodplain, and improve community livability.

i-Tree

Author: USDA Forest Service, Davey Tree Expert Company, Arborday Foundation, Society of Municipal Arborists, International Society of Arboriculture, Casey Trees, and SUNY College of Environmental Science and Forestry (2019)
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The i-Tree portal allows environmental managers to quantify benefits of urban and rural forestry. The website provides tools from the USDA Forest Service based on scientific studies to create tangible ecosystem services. These tools allow for the calculation of benefits from the parcel to state level.

The Economic Value of Riparian Buffers

Author: Young, American Rivers (2016)
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The Economic Value of Riparian Buffers provides analyses of current valuation of riparian buffers. The report discusses valuation from impact on residential property values and community value with a multiple benefit perspective. Benefits to community, air quality, flooding, habitat, and water quality are considered and further valuation research is suggested to better include those values.

Urban green space, public health, and environmental justice: The challenge of making cities ‘just green enough’

Author: Wolch et al., UC Berkeley (2014)
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Urban green space, public health, and environmental justice: The challenge of making cities ‘just green enough’ is a review paper evaluating the global relationship between environmental improvements and inequity. The article concludes green space development’s impact on disenfranchised groups hinges on the goals of the development. Greening that is designed to increase the value of the neighborhood can be problematic, but greening that is “just enough” can accomplish significant health improvements without displacing people.

Wiped Out by the ‘Greenwave’: Environmental Gentrification and the Paradoxical Politics of Urban Sustainability

Author: Checker, Queens College CUNY (2011)
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Wiped Out by the ‘Greenwave’: Environmental Gentrification and the Paradoxical Politics of Urban Sustainability examines how profit driven environmental improvements could exacerbate inequities through ethnography in Harlem, New York. Environmental gentrification can be an issue when pursuing green infrastructure (GI) projects. The author suggests making any changes in land use sensitive to cultural activities and historical context.

Inclusive Urban Ecological Restoration in Toronto, Canada

Author: Newman, Center for Resource Economics (2011)
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Inclusive Urban Ecological Restoration in Toronto, Canada explores the ways improving diversity in park management could benefit Toronto communities. Involving more racial groups in projects has many unrecognized benefits. For example, it can help undo racial stereotypes that parks and natural spaces are only for white people. It can also make people who live in these communities more visible. Communities can also be empowered by being included in ecological projects. By involving minority groups from the beginning of a project, the project is more sustainable in the long term.

Dialogue on Diversity: Broadening the voices in urban and community forestry

Author: McDonough et al., US Forest Service (2003)
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Dialogue on Diversity: Broadening the Voices in Urban and Community Forestry reports the results of a national attempt to increase diversity in urban forestry efforts. This US Forestry project piloted a method of expanding urban forestry engagement by holding workshops across 11 different sites. This report showed that with enough effort, successful workshops can be held that identify new benefits for urban forestry.

Participatory development and the sustainable city: community forestry in Detroit

Author: Vachta & McDonough, The Pennsylvania State University at Harrisburg (2002)
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Participatory Development and the Sustainable City: Community Forestry in Detroit is a chapter in a book discussing sustainable city management. This chapter focuses on including equitable stakeholder engagement in these decisions by examining environmental investment in Detroit. After Detroit experienced a loss of about 1/5 of its city, green infrastructure projects were designed and implemented to fill the open areas. A series of projects were chosen by the communities, with public involvement. While implementation continued, a series of interviews were conducted to ensure the project was meeting community expectations.

Planning for inclusive urban ecological restoration

Author: Newman, Earthsake (2014)
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Planning for inclusive urban ecological restoration highlights some of the myths conservation managers might have about minority participation. It highlights how barriers such as only relying on volunteers and inaccessible comment periods make it challenging for diverse groups of people to participate even if they have interest in the project. The report claims conservation has a particular cultural perspective and may have different priorities than other cultural perspectives.

From brown to green? Assessing social vulnerability to environmental gentrification in New York City

Author: Hamil Pearsall, Clark University (2010)
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From brown to green? Assessing social vulnerability to environmental gentrification in New York City uses multiple linear regression to examine which factors determine if environmental improvements lead to gentrification. The report finds populations with low or fixed income such as seniors, people with disabilities, and people dependent on federal assistance can be significantly impacted by environmental gentrification. Areas that were redeveloped adjacent to other desirable amenities such as waterfront access, and easy public transit access experienced higher ecological gentrification.

Just green enough: contesting environmental gentrification in Greenpoint, Brooklyn

Author: Curran & Hamilton, DePaul University (2012)
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Just green enough: contesting environmental gentrification in Greenpoint, Brooklyn is a case study showing the benefits of partnerships between developers, environmentalists, and community members. While development can lead to displacement, there is a space for strategic development that does not negatively alter the neighborhood. Focusing on people’s health instead of aesthetics can protect the character of the neighborhood.

An Equitable Water Future

Author: US Water Alliance (2017)
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An Equitable Water Future highlights the main challenges and main solutions in water equity in the United States. There are 1.4 million Americans without access to modern plumbing. Affordability can also contribute to water inequity, the bottom 20% can pay 1/5 of their income on water bills. Communities might have disproportionate impacts from historical water quality threats such as nuclear testing or lead pipes. Examples of projects and organizations that are addressing these equity issues are provided. Equity and climate resilience are also discussed.

Towards a New Paradigm of Urban Water Infrastructure: Identifying Goals and Strategies to Support Multi-Benefit Municipal Wastewater Treatment

Author: Harris-Lovett, Lienert, & Sedlak, University of California, Berkeley (2018)
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Towards a New Paradigm of Urban Water Infrastructure: Identifying Goals and Strategies to Support Multi-Benefit Municipal Wastewater Treatment examines the decision making barriers to adopting multibenefit solutions. Transitioning to a new paradigm of water management that supports and advances projects with multiple benefits will require new approaches, tools, and systems. This article attempts to identify the obstacles for these new requirements through a study from the San Francisco Bay Area.

Economic Benefits: Metics and Methods for Landscape Performance Assessment

Author: Wang et al., Utah State University (2016)
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The Economic Benefits: Metrics and Methods for Landscape Performance Assessment presents a method and standard metrics for assessing the economic benefits of landscapes. This method and the associated metrics can be used to increase the scientific rigor of landscape architecture and to help achieve high(er) levels of sustainability in the built environment. Three test cases are used to demonstrate the utility of the method.

Green Infrastructure Co-Benefits Valuation Tool

Author: Armstrong, Earth Economics, GI Exchange (2019)
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The Green Infrastructure Co-benefits Valuation Tool is intended to provide a framework, methods, and values to support rapid screening-level analysis of the costs and benefits associated with a range of GI investments. The tool itself is based in Microsoft Excel and comes with a users guide and fact sheet.

Water LA

Author: The River Project (2018)
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The 2018 Water LA report by the River Project explores the opportunities for and challenges of building a resilient region by making small, distributed changes to the urban landscape. The report offers a case study from LA where parcel-scale water management projects provide different social, environmental, and economic benefits.

Perceived species-richness in urban green spaces: Cues, accuracy and well-being impacts

Author: Southon et al., (2018)
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The authors of Perceived species-richness in urban green spaces…explore the impact of creating biodiverse landscapes within an urban space on users of that space. They assess the impacts of biodiversity on user health and well-being and on factors affecting health and well-being.

Biodiverse perennial meadows have aesthetic value and increase residents’ perceptions of site quality in urban green-space

Author: Southon et al., (2017)
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Researches used photos and as well as actual urban green spaces converted to meadows to evaluate perceptions of visitors to these spaces in southern England. Perennial meadows increased perceived quality and appreciation of urban green space, with visitors showing a higher preference for meadows with higher plant and structural diversity.

Green Cities: Good Health

Author: University of Washington, U.S. Forest Service, and Urban and Community Forestry (N/A)
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Green Cities: Good Health is an online compilation and synthesis of research related to urban green spaces and human health and well-being. The website includes introductory material, summaries of current research into the numerous benefits of urban green space, future research, and a comprehensive list of references.

Promoting ecosystem and human health in urban areas using Green Infrastructure: A literature review

Author: Tzoulas et al., (2007)
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Promoting ecosystem and human health in urban areas using Green Infrastructure: A literature review formulates a conceptual framework of associations between urban green space, and ecosystem and human health. Through an interdisciplinary literature review the possible contributions of Green Infrastructure on both ecosystem health and human health are critically reviewed. Over a dozen studies are cited that demonstrate human health aspects related to green space and nature. Included definition of ecosystem services and Green Infrastructure which differs from LID definitions of GI in the U.S.

The value of public and private green spaces under water restrictions

Author: MacDonald et al., (2010)
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The value of public and private green spaces under water restrictions analyzes the economic impact of outdoor watering restrictions on private and public landscapes. The results show that outdoor watering restrictions do not have an impact on the value of private landscapes, but may have implications for public landscape usage.

Healthy Lands and Healthy Economies: The multiple benefits of Sonoma County working and natural lands

Author: Sonoma County Ag + Open Space (2018)
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Sonoma County Ag + Open Space presents the results of a thorough economic assessment of the county’s agricultural and natural lands, incorporating the multiple benefits of these landscapes.

The Blueprint for Increased Investment in Green Infrastructure

Author: Earth Economics (2018)
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The Blueprint for Increased Investment in Green Infrastructure is a comprehensive resource for water managers and other decision makers seeking to start or expand investment in green infrastructure. The Blueprint presents five major cultural and institutional shifts that are required at the municipal level for the grown in green infrastructure. Data, tools, tips, and other resources are also provided.

On Spatially Distributed Hydrologic Ecosystem Services: Bridging the Quantitative Information Gap Using Remote Sensing and Hydrological Models

Author: Simons et al., (2017)
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The white paper, On Spatially Distributed Hydrologic Ecosystem Services, provides an explanation of and use case examples for a hydrologic ecosystem services model. This is a useful resource for quantification of water-related ecosystem services.The model is spatially and temporally designed for basin-scale analyses.

Top 22 Benefits of Trees

Author: TreePeople (2019)
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This website, Top 22 Benefits of Trees, provides an overview of the top benefits provided by trees, which include, but are not limited to, saving water, preventing water pollution, and many other benefits.

The Green Edge: How Commercial Property Investment in Green Infrastructure Creates Value

Author: Clements & St. Juliana, NRDC (2013)
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This report explores the range of economic benefits that accrue to commercial property owners (including owners of multifamily residential buildings) when they install green infrastructure on their property to improve stormwater management.

Accounting for U.S. ecosystem services at national and subnational scales

Author: Bagstad, Ingram, & Shapiro, John Wesley Powell Center for Analysis and Synthesis (N/A)
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Accounting for U.S. ecosystem services at national and subnational scales is an ongoing project of the John Wesley Powell Center for Analysis and Synthesis to create a natural capital accounting tool within the United States. Natural capital accounting involves the national compilation of data, models, valuation frameworks in order to encourage the protection of natural capital. The project aims to provide quantified and monetized ecosystem services on a national and subnational scale.

Achieving Resilience through Water Recycling in Peri-Urban Agriculture

Author: Attwater & Derry, (2017)
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Achieving Resilience through Water Recycling in Peri-Urban Agriculture examines water recycling for agricultural use in the peri-urban regions of Western Sydney, Australia. The study provides a qualitative assessment of the benefits associated with agricultural water reuse of treated wastewater and drinking water in the context of the communities larger water system. The benefits identified include enhanced landscape ecology, environmental risk management, water supply reliability, agricultural products and services, reduced wastewater discharges to receiving waters, provision of ecosystem services, community livelihood, social values, and overall enhanced resilience.

Relevance and Benefits of Urban Water Reuse in Tourist Areas

Author: Lazarova, Sturny, & Sang, (2012)
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Relevance and Benefits of Urban Water Reuse in Tourist Areas presents a case study on factors that influenced the implementation of water reuse on the island of Bora Bora, French Polynesia. The study addresses the regulatory and technical challenges to implementation of water reuse systems, as well as provides methods for overcoming these challenges through the Bora Bora case study. The report emphasizes the need for reliability in treatment operations, feasible prices and operation costs, and effective utilization of the co-benefits of water reuse projects.

Green Infrastructure & Health Guide

Author: Oregon Health and Outdoors Initiative, Willamette Partnership, Oregon Public Health Institute (OPHI), The Green Infrastructure Leadership Exchange (2018)
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Green Infrastructure & Health Guide provides the tools, resources, and evidence for the connections between green infrastructure (GI) and human health. The chapters include Health Challenges and GI Solutions, GI and Health: What is the connection?, Nature Experiences and Health: Current evidence, Shared Language, Identifying Community Health Needs, Make the Case: Business and more, Community Engagement: Why and how, GI Siting and Design: Considerations for health, Evaluating Health Benefits of GI, and Needs and Next Steps. The appendices include Detailed Community Engagement Guidelines, Sample Tree Planting Health Survey, Sample Logic Model Linking Tree Planting and Health, and Sample City Health and Outdoors Opportunities Assessments.

California Beach Restoration Study Chapter 3: The Benefits of California’s Beaches

Author: California State Parks, Division of Boating and Wildlife (2002)
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California Beach Restoration Study Chapter 3: The Benefits of California’s Beaches is a chapter of a larger report on beach restoration in California. The chapter is divided into five sections, including discussions on 1) how beaches fulfill recreational needs within California, 2) the fiscal impact of beaches in California, 3) the value of beach restoration projects to recreation, 4) a San Diego case study on beach overcrowding, and 5) the public safety and environmental benefits of beaches. This particular chapter focuses on the economic value of beaches and their restoration.

The Economic Impact of Green City, Clean Waters: The First Five Years

Author: Sustainable Business Network (SBN), Green Stormwater Infrastructure Partners, Econsult Solutions (2016)
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The Economic Impact of Green City, Clean Waters: The First Five Years evaluates the economic impact of the Green City, Clean Waters (GCCW) plan in Philadelphia, PA. The Green City, Clean Waters was an initiative of the Philadelphia Water Department to implement more green infrastructure in the city of Philadelphia. The initiative resulted in a multitude of benefits, including boosts in the local economy, increased jobs, improved equity, revived habitats, and overall enhanced aesthetics.

Developing Scenarios to Assess Ecosystem Service Tradeoffs: Guidance and Case Studies for InVEST Users

Author: McKenzie et al., The Natural Capital Project (2012)
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Developing Scenarios to Assess Ecosystem Service Tradeoffs: Guidance and Case Studies for InVEST Users provides an evaluation of six case studies from across the globe that utilized inVEST to inform policy decisions. InVEST is a software tool for assessing how the location, quantity, and value of ecosystem services change under different scenarios. The tool was developed by the Natural Capital Project, a coalition that works to develop practical ecosystem services concepts and tools, apply these tools around the world to demonstrate the impact of ecosystem service approaches in decisions, and engage thought leaders to advance change in policy and practice. The report includes a discussion on the methodologies used as well as the strengths and challenges that arose with each application of InVEST.

Envision Project Awards Map

Author: Institute for Sustainable Infrastructure (N/A)
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Envision Project Awards map contains interactive case studies of projects from across the globe that have received Envision awards for sustainability. Envision is a comprehensive framework of 60 criteria that encompass the full range of environmental, social, and economic impacts and are used to assess project sustainability. These 60 sustainability criteria, called ‘credits’, are arranged in five categories: Quality of Life, Leadership, Resource Allocation, Natural World, and Climate and Risk.

Vision and GIS Case Studies

Author: The Trust for Public Land (N/A)
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Vision and GIS Case Studies presents sixteen case studies that utilized the Trust for Public Land’s Vision and GIS service. The service employs a ‘greenprinting’ tool that uses innovative research and mapping techniques to design parks, protect open space, and deliver community-driven conservation plans. A ‘greenprint’ provides both a long-term vision for conservation and a physical plan to protect a communities precious public spaces. The Trust for Public Land’s services also help communities develop partnerships, inform policies, and attain funding for land conservation efforts.

Preliminary Data Summary of Urban Storm Water Best Management Practices

Author: U.S. EPA (1999)
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Preliminary Data Summary of Urban Storm Water Best Management Practices synthesizes existing information on costs and environmental benefits of stormwater Best Management Practices (BMPs). The major goals of stormwater BMPs are flow control, temperature and pH control, and pollutant removal, including solids, oxygen-demanding substances, nitrogen and phosphorus, pathogens, petroleum hydrocarbons, metals, and synthetic organics. The environmental benefits cited include hydrological and habitat benefits, human health benefits (direct contact and seafood), and aesthetic benefits (property value/public perception, dual use systems using less space). The report provides a recommendation for stormwater BMPs and their associated costs and benefits.

Green Infrastructure Opportunities and Barriers in the Greater Los Angeles Region

Author: U.S. EPA (2013)
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Green Infrastructure Opportunities and Barriers in the Greater Los Angeles Region analyzes the regulatory barriers to installing green infrastructure in Los Angeles. The types of green infrastructure projects discussed in the report include bioretention cells, bioretention strips/swales, infiltration basins/swales/trenches, planter boxes, constructed wetlands, rainwater capture, permeable pavement, and drywells. The report defines the regulatory landscape for green infrastructure in California, identifies potential for fulfilling multiple regulations and requirements through green infrastructure projects, and lastly, examines the regulatory barriers to green infrastructure implementation.

Green Infrastructure Guide for Water Management

Author: United Nations Environment Programme (UNEP), UNEP-DHI Partnership, International Union for Conservation of Nature (IUCN), The Nature Conservancy, World Resources Institute (2014)
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Green Infrastructure: Guide for Water Management examines case studies of green infrastructure projects throughout the United States. The report argues that a lack of awareness of the solutions and additional cost benefits that green infrastructure projects can provide is the major barrier to implementation of green infrastructure solutions. The case studies include green infrastructure projects such as green roofs, permeable pavement, levee setbacks, wetland conservation and construction, reforestation and afforestation, and flood bypasses and coastal protection. The case studies cite benefits from the ecosystem service categories (i.e., provisioning services, regulating services, cultural services, habitat or supporting services), providing a qualitative discussion of primary benefits and co-benefits for each case study.

Green Infrastructure in Parks: A Guide to Collaboration, Funding, and Community Engagement

Author: U.S. EPA (2017)
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Green Infrastructure in Parks: A Guide to Collaboration, Funding, and Community Engagement analyzes green infrastructure projects in parks and the resulting benefits. The report uses case studies to discuss the multiple benefits and encourage cities to invest in green infrastructure projects within their public parks. The multiple benefits cited within the report include recreation value, attractive park features, social and environmental equity, reduced maintenance, drainage, education, water quality, economic benefits, and overall benefits to environment.

Reducing Stormwater Costs through Low Impact Development (LID) Strategies and Practices

Author: U.S. EPA (2007)
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Reducing Stormwater Costs through Low Impact Development (LID) Strategies and Practices analyzes 17 case studies of low impact development (LID) projects throughout the United States. The low impact development projects referenced include conservation designs, infiltration practices, runoff storage, runoff conveyance, filtration, and low impact landscaping. The benefits considered within the analysis include environmental benefits (i.e., pollution abatement, protection of downstream water resources, groundwater recharge, water quality improvements, reduced incidence of combined sewer overflows (CSO), habitat improvement), land value and quality of life benefits (i.e., reduced risk of downstream flooding and property damage, increased real estate values, lot yield, improved aesthetics, enhanced public space), and compliance benefits (i.e., regulatory compliance). The analysis also includes a cost comparison of low impact development projects to traditional grey infrastructure projects. The report concludes that low impact development projects significantly reduce costs and improve environmental performance.

The Hidden Value of Landscapes: Implications for Drought Planning

Author: Johnson, Koski, & O'Connor, Colorado State University (2017)
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The Hidden Value of Landscapes: Implications for Drought Planning analyzes the impacts of landscaping on quality of life, environment, and land values in Colorado. The report illustrates that while landscaping can provide the primary goal of drought relief, it also provides a suite of co-benefits. These benefits include environmental benefits (i.e., air quality, carbon sequestration, cooling effects, stormwater management, and wildlife habitat), increased real estate value, and enhanced community and health.

Stormwater Capture Master Plan

Author: Los Angeles Department of Water and Power (LADWP) (2015)
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Los Angeles’ Department of Water and Power (LADWP) Stormwater Capture Master Plan develops a strategy for long-term stormwater capture potential, examination of projects and programs, estimation of the value of projects with ancillary benefits, and stormwater program and policy implementations in California. Stormwater programs include on-site infiltration, green streets, subregional infiltration, on-site direct use, subregional direct use, and impervious replacement. The multiple benefits cited from increased stormwater capture include groundwater recharge, water conservation, open space alternatives, and improved downstream water quality and peak flow.

The Value of Green Infrastructure: A Guide to Recognizing Its Economic, Environmental and Social Benefits

Author: Center for Neighborhood Technology, American Rivers (2010)
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The Value of Green Infrastructure: A Guide to Recognizing Its Economic, Environmental and Social Benefits is an in-depth framework for evaluating the multiple benefits of green infrastructure projects, including green roofs, tree planting, bioretention and infiltration, permeable pavement, and water harvesting. The framework provides methodologies for valuation of water, energy, air quality, and climate change-related benefits, as well as a qualitative discussion on community livability and public education benefits.

The Economics of Low-Impact Development: A Literature Review

Author: ECONorthwest (2007)
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The Economics of Low-Impact Development: A Literature Review provides a review of economic valuations of low-impact development projects. The multiple benefits of low-impact development cited within the report include reduced flooding, improved water quality, increased groundwater recharge, reduced public expenditures on stormwater infrastructure, reduced energy use, improved air quality, and enhanced aesthetics and property values. The report provides guidance and literature discussion on methodologies for calculating the costs and benefits of low-impact development projects.

The Value of Green Infrastructure for Urban Climate Adaptation

Author: Foster, Lowe, & Winkelman, Center for Clean Air Policy (2011)
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The Value of Green Infrastructure for Urban Climate Adaptation provides a methodology for calculating the costs and benefits of green infrastructure, with particular focus on urban climate adaptation. Benefits of green infrastructure include land value, quality of life, public health, hazard mitigation, and regulatory compliance. In the report, economic analyses are provided for “Eco-Roofs,” Green Alleys and Streets, and Urban Forestry with several case study examples provided.

Green Stormwater Infrastructure Economics in the Boise Urban Area

Author: Hjerpe & Adams, (2015)
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Green Stormwater Infrastructure Economics in the Boise Urban Area (2015) examines the economics of green versus grey infrastructure in Boise, Idaho. Infrastructure projects analyzed include bioretention, trees with suspended pavement systems, permeable pavement, bioswales, conventional trees without suspended pavement systems, and conventional paved alleyways. Biophysical services and social benefits are compared to the alternative (i.e., status quo) option to determine the differences in services. The biophysical services identified include waste absorption/pollutant reduction, groundwater recharge, carbon sequestration, temperature reduction, and biodiversity/habitat provision. The social benefits identified include clean drinking water, water supply, clean air, aesthetics and recreation, pedestrian and vehicle safety, heat island effect, education and community engagement, and compliance credits.