Pricey projects loom for Alaska as erosion threatens runways, roads and more
A new study estimates that climate impacts to public infrastructure in Alaska will total about $5 billion by century's end.
During construction on the Dalton Highway in 2017, workers put insulation down, then built the road on top of the insulation. This is to prevent impacts to the permafrost, to help keep it colder.
Photo provided by AK DOT (ADN)