Communities, companies, and governments at all levels in the United States are making decisions that will influence where, what and how infrastructure will be built. This report describes insights about exposures from natural hazards now and in the future, as well as gaps in data that, if filled, could improve the nation's ability to assess infrastructure risk and improve infrastructure resilience.

Current and Future Exposure of Infrastructure in the United States to Natural Hazards

Henry H. Willis, Anu Narayanan, Jordan R. Fischbach, Edmundo Molina-Perez, Chuck Story, Kathleen Loa, Lauren Kendrick

ResearchPublished Jul 12, 2016

Communities, companies, and governments at all levels in the United States are making decisions that will influence where, what and how infrastructure will be built. These design and policy decisions shape infrastructure, influence economic development, and influence future exposures to natural hazards for decades.

Population growth and shifts, particularly those on the coasts, drive demand for new infrastructure, and, as a result, increase the exposure of infrastructure to natural hazards. These natural hazard exposures are projected to be larger and more uncertain in the future because of the effects of sea level rise and projected changes in temperature and precipitation patterns. Thus, incorporating natural hazard risk assessment into infrastructure planning is becoming both increasingly important and challenging.

This report summarizes insights we have gained about the exposures to U.S. infrastructure from natural hazards now and in the future. Our analysis identifies regions in the country where infrastructure may be uniquely exposed to a complex set of natural hazards. In those regions, our analysis highlights the types of infrastructure that are exposed and the hazards that put them at risk. Our analysis also reveals where infrastructure exposures may be expected to change most dramatically. Finally, our analysis reveals where infrastructure exposures remain most uncertain and where new data and analysis would be most valuable. Each of these findings can inform federal efforts to improve infrastructure and resilience planning.

Key Findings

  • Infrastructure exposure to natural hazards is expected to increase — and, in some cases, increase substantially — across the continental United States.
  • Infrastructure in some areas of the country currently faces disproportionate exposure to natural hazards, and this exposure is likely to increase in the future as a result of climate change.

Recommendations

  • Infrastructure and community resilience efforts should incorporate potential impacts from climate change and potential increases in exposure to natural hazards.
  • More granular information is needed about specific natural hazard exposure and the specific infrastructure in a community to respond effectively to climate change-induced natural hazard exposure changes.
  • Addressing issues of planning effectively and comprehensively to improve resilience against current and future exposure to high-intensity natural hazards will require multifaceted efforts that include collecting descriptive information from and about communities, improving scientific knowledge about hazard phenomena, and developing tools and institutions to plan mitigation strategies for the complex and uncertain array of natural hazards that do and may increasingly threaten communities across the nation.

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Document Details

  • Copyright: RAND Corporation
  • Availability: Available
  • Year: 2016
  • Print Format: Paperback
  • Paperback Pages: 54
  • Paperback Price: $15.00
  • Paperback ISBN/EAN: 978-0-8330-9500-8
  • DOI: https://doi.org/10.7249/RR1453
  • Document Number: RR-1453-DHS

Citation

RAND Style Manual
Willis, Henry H., Anu Narayanan, Jordan R. Fischbach, Edmundo Molina-Perez, Chuck Story, Kathleen Loa, and Lauren Kendrick, Current and Future Exposure of Infrastructure in the United States to Natural Hazards, RAND Corporation, RR-1453-DHS, 2016. As of September 9, 2024: https://www.rand.org/pubs/research_reports/RR1453.html
Chicago Manual of Style
Willis, Henry H., Anu Narayanan, Jordan R. Fischbach, Edmundo Molina-Perez, Chuck Story, Kathleen Loa, and Lauren Kendrick, Current and Future Exposure of Infrastructure in the United States to Natural Hazards. Santa Monica, CA: RAND Corporation, 2016. https://www.rand.org/pubs/research_reports/RR1453.html. Also available in print form.
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The research described in this report was prepared for the U.S. Department of Homeland Security, Office of Infrastructure Protection and conducted in the RAND Homeland Security and Defense Center (HSDC), a joint center of two research divisions: RAND Justice, Infrastructure, and Environment and the RAND National Security Research Division.

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