Background Articles

At least 30 houses still needed repairs, cleanup was ongoing, and the city’s residents grappled with the need to fix snowmachines, keep their soaked houses warm and prepare for future emergencies.

The erosion that prompted Gov. Mike Dunleavy's action is advancing on the Northwest Alaska community's water lines.

Researchers believe that if permafrost thaw continues at its current rate and mercury keeps being released, it could pose a real threat to many communities throughout northern and western Alaska.

This research compiles over a century of local flood data in Alaska to improve future flood risk prediction and planning, addressing the lack of accessible historic flood information for community and regional use.

Landslides have killed at least 12 Alaskans in the past decade and destroyed homes and critical infrastructure.

Floodwaters from the Mendenhall River rushed under Sam and Amanda Hatch’s home last August at then record-levels. After the water receded, their house sank several inches into the saturated soil, shifting its foundations. As they rebuilt, the Hatch family decided to elevate their house by four feet on piers to avoid flooding in the future. Scraping together deals and favors, Sam Hatch said the whole process cost around $135,000. It was completed a month ago, he said.

Climate change is affecting all aspects of the northern housing industry, from the structures themselves to the transportation of materials. One way to fix the issue is to put more reliance on northern community-based knowledge..

The $100 million Pretty Rocks Bridge will cross the site of a landslide that has closed the road at Mile 45 since 2021.

The oranging of northern rivers seems to be related to recent permafrost thaw that has allowed streams to release previously captive iron, trace metals and acid.

The Wrangell landslide tragedy underscores Alaska's challenge in landslide prediction due to insufficient monitoring and data collection.

The Little Diomede school is closed indefinitely after a collapsing city building, with rotted stilts, leaned on it, causing no injuries but prompting a switch to video conference classes and relocation of teachers.

Due to recent flooding, FEMA assessors will work with state, local and tribal officials to determine if federal aid is warranted with flood and erosion damage.

“We started seeing structural timber,” one resident said. “And then I was like, ‘Oh, my God. That’s from houses upstream.'”

Scientists from Moscow State University have studied the Lorino cliff in the Chukotka region and discovered that the rapid retreat of the coast is due to the reduction of sea ice, and they recommend that villagers prepare for the transfer of coastal structures further inland.

The damage wrought to the park’s road by melting permafrost is creating a new reality affecting visitors, park staff, local businesses and potentially wildlife.