Fungi and spruce may help solve Alaska’s plastic pollution problem

Nick Beckage, a graduate researcher, Davin Louangaphay, a research assistant, and Philippe Amstislavski, a professor of health sciences, stand among spruce trees on the University of Alaska Anchorage campus on April 30, 2025, with one of the insulating seafood boxes they created with a cellulose-mycelium blend. (Photo by Yereth Rosen/Alaska Beacon)

Every year, copious amounts of plastic foam boxes are used to ship Alaska seafood.

Instead of using plastics that contribute huge amounts of carbon emissions in their manufacture and huge amounts to pollution after their disposal, could Alaskans use environmentally friendly local materials to ship fish and provide other insulation?

Philippe Amstislavski, a professor of public health at UAA, and his colleagues have created an insulation box from a blend of cellulose and fibers from fungi. To him, it is an appropriate invention for Alaska, where he estimates that more than 1 million plastic foam boxes are used annually to hold fish.

“Our economy is dependent on seafood. And the ability to get fish to markets is really important,” he said. But while Alaskans value sustainable fish harvests, what about sustainable fish shipments? “How do we become materially independent?” he asks…

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