Moody’s: Climate Risk and Resilience at US Airports

Climate change will expose the airport sector to increased physical climate risks within the next two decades. In its report, US airports face growing climate risks, but business model and resiliency investments mitigate impact, Moody’s Investors Service leverages Four Twenty Seven’s physical climate risk data to explore potential damages from increased exposure of US airports to floods, heat stress, hurricanes, sea level rise and wildfires.

The report found that in 2004-2019, an average 37% of delayed flights annually resulted from climate-related extreme weather events. Airports along coastlines or rivers face particular risks as floods can damage crucial structures such as runways and terminals leading to significant costs or rendering the assets unusable. Likewise hurricanes can cause widespread damage including economic impacts on broader regions. Heat stress and wildfire smoke can both present challenges for planes taking off or landing, leading to delayed or canceled flights or adjusted cargo loads.

Airports often undertake long-term capital intensive projects and integrating resilience measures into planning these investments will be critical. Liquidity will also help absorb the effect of disruptive climate-related events.

Moody’s subscribers can read the full report here.

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