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Open AccessArticle

The Economic Impact of Climate Change on Road Infrastructure in Ghana

Department of Economics, University of Ghana, P.O. Box LG 57, Accra, Ghana
Civil, Environmental and Architectural Engineering Department, University of Colorado, Boulder, CO 80309-0428, USA
Institute of Climate and Civil Systems, University of Colorado, Boulder, CO 80309-0428, USA
Author to whom correspondence should be addressed.
Academic Editors: Wisdom Akpalu and Channing Arndt
Sustainability 2015, 7(9), 11949-11966;
Received: 23 June 2015 / Revised: 17 August 2015 / Accepted: 20 August 2015 / Published: 28 August 2015
This paper estimates the economic impact of climate change on road infrastructure using the stressor-response methodology. Our analysis indicates that it could cumulatively (2020–2100) cost Ghana $473 million to maintain and repair damages caused to existing roads as a result of climate change (no adapt scenario). However, if the country adapts the design and construction of new road infrastructure, expected to occur over the asset’s lifespan (adapt scenario), the total cumulative cost could increase to $678.47 million due to the initial costs of adaptation. This investment provides lower costs on a decadal basis later in the infrastructure lifespan. This creates the planning question of whether lower decadal costs in the future are a priority or if minimizing initial costs is a priority. The paper addresses this question through decadal and average annual costs up to the year 2100 for the ten regions, using the potential impacts of 54 distinct potential climate scenarios. View Full-Text
Keywords: climate change; stressor-response; roads; temperature climate change; stressor-response; roads; temperature
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Twerefou, D.K.; Chinowsky, P.; Adjei-Mantey, K.; Strzepek, N.L. The Economic Impact of Climate Change on Road Infrastructure in Ghana. Sustainability 2015, 7, 11949-11966.

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