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Assets exposed to sea-level rise in coastal cities by 2070

Box 3.3. Example of assets exposed to climate change: Coastal cities Coastal zones are particularly exposed to climate change impacts, especially low-lying urban coastal areas and atolls. Coastal cities are especially vulnerable to rising sea levels and stom surges. For example, by 2070, in the absence of adaptation policies such as land-use planning or coastal defence systems, the total population exposed to a 50cm sea-level rise could grow more than threefold to around 150 million people. This would be due to the combined effects of climate change (sea-level rise and increased stominess), land subsidence, population growth and urbanisation. The total asset exposure could grow even more dramatically, reaching USD 35 000 billion by the 2070s, more than 10 times current levels (Figure 3.13). Figure 3.13. Assets exposed to sea-level rise in coastal cities by 2070 Amsterdar Roterdan Tanin New York Newark Mirginia Beach Cingdao Shangha. Tokyo Nagoya New Orlens KOsska Kobe PNingte Teuangmou Mani Alesaridria Kolkat Hang Kang Mumbe Bangkok Ho Khn Cty Exposed Assets (Scenario FAC) (USD million) <1 250 000 1 250 000 - 2 500 000 5000 10000 Kilometres <2 500 000 Note: Scenario FAC refers to the "Future City All Changes" scenario in Nicholls et al., 2010, which assumes 2070s economy and population and 2070s dimate change, natural subsidenceluplift and human-induced subsidence. Source: OECD (2010a). Cities and Climate Change, OECD, Paris; Nicholls, R J., et al. (2008). "Ranking Port Cities with High Exposure and Vulnerability to Climate Extremes: Exposure Estimates", OECD Environment Working Papers, No. 1.

Assets exposed to sea-level rise in coastal cities by 2070

shared by W.E.R.I on Jul 15
However, overall, all regions are expected to suffer significant net damage from unabated climate change according to most estimates, but the most significant impacts are likely to be felt in developi...


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