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Climate Change Risks and Adaptation

Linking Policy and Economics

image of Climate Change Risks and Adaptation

Climate change is giving rise to diverse risks, ranging from changing incidences of tropical diseases to increased risks of drought, varying widely in their potential severity, frequency and predictability. Governments must integrate the management of these climate risks into policy making if they are to successfully adapt to a changing climate. Economic analysis has a vital role to play in supporting these efforts, by identifying costs and benefits and supporting decision-making for an uncertain future. However, this analysis needs to be adapted to the institutions, policies and climate risks in a given country. Building on the experience of OECD countries, this report sets out how the latest economic evidence and tools can enable better policy making for adaptation.

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Overview of costs and benefits of adaptation at the national and regional scale

This chapter reviews the latest evidence on the costs and benefits of adaptation, and draws out some of the key findings and emerging insights. It explores the use of information on the costs and benefits of adaptation to justify the case for action and prioritise resources to deliver the greatest benefits. Results of national and global studies are provided. The latest estimates are provided for the following sectors and risks: sea-level rise, coastal flooding and storms; river, surface water and urban flooding; water supply and management; infrastructure; agriculture; health; biodiversity and ecosystem services; business, services and industry.

English

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