Land Use and the Built Environment Adaptation Strategies
This tab includes strategies for how to avoid or reduce climate change impacts through policies that relate to land use and the built environment, including best practices and legal and policy analysis.
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July 15, 2020
The coastal town of Hampton, New Hampshire has identified the need for long-term climate adaptation planning to address the impacts of sea-level rise and improve community resilience to coastal flooding through a state-local, public-private partnership. This ongoing adaptation planning process that started in 2018 is being led by the Seabrook–Hamptons Estuary Alliance (SHEA) — a local conservation nonprofit — with support from others including the New Hampshire Department of Environmental Services Coastal Program (NH Coastal Program) and town officials and staff. The approach taken by SHEA and the NH Coastal Program offers a unique example of community-driven, multifaceted planning focused on informing and educating the community through a series of workshops and surveys to gauge awareness and opinions across a range of different adaptation strategies. The adaptation strategies presented to the community for consideration include: protection (“keep water out”), accommodation (“live with water”), and managed retreat or relocation (“get out of the water’s way”). The results of these efforts are being used to inform local actions going forward. Policymakers and planners in other municipalities may find Hampton’s work instructive for how to increase awareness of the benefits and tradeoffs of retreat across a spectrum of adaptation strategies at the outset of community-driven, public-private decisionmaking processes. This case study is one of 17 case studies featured in a report written by the Georgetown Climate Center, Managing the Retreat from Rising Seas: Lessons and Tools from 17 Case Studies.
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July 15, 2020
Following Hurricane Sandy in 2012, Oakwood Beach on Staten Island in New York City became the first community to take advantage of New York State’s post-Sandy buyout program to plan for retreat in a model that could be replicated in other vulnerable coastal locations. The members of the small community formed the Oakwood Beach Buyout Committee, and petitioned the state government to buy out entire neighborhoods, which resulted in large-scale risk reduction and cost-saving benefits compared to individual buyouts. Less than three months after Sandy, Governor Andrew Cuomo announced a state-funded buyout program, pledging upwards of $200 million in funding and financial incentives to relocate families in high flood risk areas in places like Oakwood Beach. One year later, 184 out of 185 homeowners applied to the program — and by 2015, 180 of those homeowners were accepted to participate in the state’s voluntary buyout program. This process can serve as an example of a successful, community-led voluntary buyout effort that can be supported by state and local government retreat programs or projects in other jurisdictions. This case study is one of 17 case studies featured in a report written by the Georgetown Climate Center, Managing the Retreat from Rising Seas: Lessons and Tools from 17 Case Studies.
Resource Category: Solutions
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2013
The New Orleans Project Home Again (PHA) in Louisiana involved a land swap and redevelopment program implemented post-Hurricane Katrina that can serve as an example for how public-private partnerships can help people retreat away from flood-prone coastal areas. Through this project, PHA aimed to concentrate redevelopment at higher elevations away from low-elevation floodplains and expand relocation options for impacted homeowners. The hurricane-damaged homes on participants’ original properties were demolished and converted to climate resilient open space for flood retention, environmental, and community benefits. Specifically, PHA used a land swap program that enabled low- and middle-income homeowners to relocate to less vulnerable areas with new affordable, clustered housing. The PHA program demonstrates how land swaps can offer a tool for planners and policymakers to effectively guide redevelopment in disaster recovery settings and expand affordable and resilient housing opportunities. A similar land swap model could also be considered in a pre-disaster context and phased over time, if community consensus, vacant or developable land, and funding for housing construction exists.
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November 2017
In November 2017, the Urban Land Institute’s Southeast Florida/Caribbean District Council (ULI) published a report in partnership with Miami-Dade County's Office of Resilience exploring the possibility of creating a Transfer of Development Rights (TDR) program in the County of Miami-Dade, Florida as a possible climate adaptation strategy. The report was the result of the work of a ULI Resilience Panel Focus Group - established by ULI and the Office of Resilience - to assess the feasibility of a TDR program and whether one could facilitate the voluntary retreat of people and vulnerable development away from flood-prone areas at the county or municipal level.
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July 15, 2020
Woodbridge Township, New Jersey is working with the New Jersey Blue Acres Program to implement a neighborhood-wide buyout that can serve as an example for other jurisdictions considering larger-scale retreat from coastal areas. Following significant damage from Hurricane Sandy in 2012, Woodbridge applied to participate in the New Jersey Blue Acres Buyout Program. With the support of the state, local elected officials in Woodbridge, including the mayor, committed to a community-based approach and prioritized flood mitigation and future safety and emergency management benefits over potential tax base losses if residents relocated outside of the township. As a result of this approach and an extensive community engagement process, nearly 200 property owners accepted a buyout offer. Once structures are demolished, the township is restoring bought-out land to create a natural flood buffer. The township established an Open Space Conservation/Resiliency Zone to institutionalize protections for this area by prohibiting new development and discouraging redevelopment. Woodbridge’s example demonstrates how comprehensive, community-based approaches to buyouts can maximize long-term benefits for communities and the environment. Other local governments can consider partnering with their states and residents, among others, to use buyouts as a retreat strategy to make communities more resilient. This case study is one of 17 case studies featured in a report written by the Georgetown Climate Center, Managing the Retreat from Rising Seas: Lessons and Tools from 17 Case Studies.
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In Texas, Harris County Flood Control District (HCFCD) and other local partners, including the nonprofit Houston Parks Board, are implementing different land acquisition, restoration, and conservation projects in the Greens Bayou watershed in Harris County and the City of Houston. Two programs and initiatives include the Greens Bayou Mitigation Bank (Greens WetBank) and Bayou Greenways 2020. The Greens WetBank is a wetland mitigation bank on nearly 1,000 acres of land in Harris County, where HCFCD restores wetlands and generates revenue by selling “wetland credits” to developers who need to offset wetland losses at locations outside the Greens WetBank’s land in Harris County. In addition, Bayou Greenways 2020 is a large-scale, public-private initiative led by Houston Parks Board to create 150 miles of greenways and trails and an additional 3,000 acres of public greenspace along Houston’s major bayous through land acquisition and conservation efforts. Bayou Greenways 2020 has been the result of an extensive community engagement campaign and funding leveraged from federal, state, local, and private sources to create local parks and open spaces in Houston. Greens WetBank and Bayou Greenways 2020 are examples of how comprehensive land acquisition, restoration, and conservation actions can increase local resilience in a specific watershed by mitigating future flood risks, enhancing the environment, and creating community assets. Other jurisdictions could consider a similar model to coordinate future land uses in a watershed with climate adaptation, including managed retreat strategies, hazard reduction, and natural resource and open space management.
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The Town of Yankeetown, Florida is utilizing a state authorized land-use planning tool — called Adaptation Action Areas — to mitigate the impacts of sea-level rise on local ecosystems. Specifically, Yankeetown is experiencing coastal inundation due to sea-level rise that is causing large swaths of coastal forests to rapidly decline and salt marshes to migrate inland, creating a phenomenon known as “ghost forests.” Yankeetown has taken a unique approach to planning for coastal change by utilizing Adaptation Action Areas. Adaptation Action Areas are overlay districts local governments can utilize to increase management attention and oversight over defined areas within their municipality with the goal of increasing resilience to sea-level rise impacts. Yankeetown amended its local comprehensive plan to create a “Natural Resource Adaptation Action Area,” which is the first instance of a locality in Florida using this tool for the purpose of natural resource management rather than solely infrastructure protection. The tool is helping Yankeetown shape future growth and development to conserve and protect its natural resources in the face of rising seas. Local governments could consider adopting overlay districts like Adaptation Action Areas or other zoning, land-use, or planning tools to reduce or limit development in wetland and forest migration pathways as a part of comprehensive retreat strategies.
Resource Category: Law and Governance
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July 15, 2020
The King County Transfer of Development Rights (TDR) Program in Washington State uses a unique market-based tool to achieve long-term planning goals and incentivize development in strategic areas that can be coupled with other legal and policy tools as a part of comprehensive coastal retreat strategies. King County created the TDR Program in response to state growth area management requirements and objectives. Participating local governments designate two areas "sending areas" — typically farmland, forest, open space, or priority natural resources areas — where they want to limit new development; and "receiving areas" in mostly urban areas where existing services and infrastructure can accommodate growth. Landowners in sending areas can sell their development rights to project proponents in receiving areas who can then use those rights to increase the size or density of a development project. Between 2000 and July 2019, 144,290 acres of rural and resource lands were conserved and protected through the King County TDR Program. The King County TDR Program provides one example of how several types of land acquisition programs and funding sources can be leveraged to achieve the benefits of both conservation and new, more resilient development. In a managed retreat context, TDR Programs modeled after King County can be used to preserve lands for ecological benefits through conservation easements, while ensuring new development is concentrated in areas that are less vulnerable to flooding and coastal hazards, such as sea-level rise and storm surges. This case study is one of 17 case studies featured in a report written by the Georgetown Climate Center, Managing the Retreat from Rising Seas: Lessons and Tools from 17 Case Studies.
Resource Category: Law and Governance
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In 2017, the Town of Princeville, North Carolina engaged experts and communities in a long-term, comprehensive planning process to annex a 53-acre parcel of land located outside of the town’s 100-year floodplain to develop a safer, higher ground area where residents, structures, and infrastructure can be relocated. After experiencing flooding impacts from Hurricane Matthew in 2016, Princeville was selected as one of six municipalities in North Carolina to receive technical and funding support from the state through the Hurricane Matthew Disaster Recovery and Resilience Initiative. Princeville provides an example for other municipalities either in a pre-or post-disaster context for how to balance the preservation of original townships while dealing with flooding vulnerabilities, while increasing the resiliency of core community assets and services through adaptation actions. As done in Princeville, local governments may consider options for relocating vulnerable residences and community facilities and services, including by annexing new land where sufficient higher ground land within existing municipal boundaries is not available to reallocate critical land uses and maintain local communities, tax bases, and economies.
Resource Category: Solutions
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July 15, 2020
The City of Austin, Texas has adopted a model to provide consistent relocation benefits for voluntary home buyouts in the city’s floodplains as a part of its “flood risk reduction projects .” In addition to the cost of a person’s original home, the city will provide homeowners with moving and closing costs, and a replacement housing payment if the cost of a new comparable home (located outside of the city’s 100-year floodplain) is more than the original home. This policy encourages owner participation in the buyout program and helps to minimize the e conomic and social costs of relocation. The city’s Watershed Protection Department prioritizes buyouts in accordance with a Watershed Protection Master Plan that strategically guides related city actions, including potential buyouts, to reduce the risks associated with erosion, flooding, and poor water quality. A mix of municipal bonds, federal grants, and local funds (primarily through a drainage fee paid by owners of properties based upon impervious surface cover) have been used to fund the buyouts. Austin’s example is noteworthy for its emphasis on implementing buyouts in accordance with a comprehensive flood mitigation program and facilitating transitions for people located in floodplains through relocation assistance. Other jurisdictions considering managed retreat could implement an interdisciplinary buyout approach across different sectors and government agencies (e.g., floodplain and emergency management and housing and community development). .
Resource Category: Solutions
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