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Responding to Rising Seas

OECD Country Approaches to Tackling Coastal Risks

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There is an urgent need to ensure that coastal areas are adapting to the impacts of climate change. Risks in these areas are projected to increase because of rising sea levels and development pressures. This report reviews how OECD countries can use their national adaptation planning processes to respond to this challenge. Specifically, the report examines how countries approach shared costs and responsibilities for coastal risk management and how this encourages or hinders risk-reduction behaviour by households, businesses and different levels of government. The report outlines policy tools that national governments can use to encourage an efficient, effective and equitable response to ongoing coastal change. It is informed by new analysis on the future costs of sea-level rise, and the main findings from four case studies (Canada, Germany, New Zealand and the United Kingdom).

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Coastal infrastructure realignment and salt marsh restoration in Nova Scotia, Canada

This chapter describes a project to realign a section of the North Onslow dike near Truro, Canada. This project was intended to achieve the multiple goals of reducing dike maintenance costs, enhancing protection of public and private infrastructure, and enhancing resilience to climate change through the restoration of a coastal flood plain. This chapter was written by Kate Sherren, School for Resource and Environmental Studies, Dalhousie University, Halifax; Tony Bowron, Department of Environmental Science, Saint Mary’s University, Halifax and CB Wetlands and Environmental Specialists (CBWES Inc.), Terrance Bay; Jennifer M. Graham, CB Wetlands and Environmental Specialists (CBWES Inc.), Terrance Bay; H.M. Tuihedur Rahman, Department of Geography and Environmental Studies, Saint Mary’s University, Halifax and School for Resource and Environmental Studies, Dalhousie University, Halifax; and Danika van Proosdij, Department of Geography and Environmental Studies, Saint Mary’s University, Halifax.

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