Summary

A new comprehensive study by researchers at the University of Hawaiʻi (UH) at Mānoa Climate Resilience Collaborative reveals that traditional sea-level rise models, which account only for rising ocean waters, drastically underestimate the true threat to coastal infrastructure on Oʻahu, Hawai'i. By incorporating shoreline erosion and high-wave events, in addition to rising sea levels, researchers found that current single-hazard projections overlook up to two-thirds of threatened land area and 85% to 100% of critical infrastructure, such as buildings, roadways and cesspools, that are likely to be affected.

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