A radioactive gas fills many Idaho homes, but there are few protections. Why?

Mold. Dust. Houses sinking into the ground. Hazardous Homes is a 2025 occasional series by the Idaho Statesman on problems in new Treasure Valley homes that may affect human health and safety.

There’s an invisible killer in Idaho, and it comes from beneath our floorboards.

Radon, a colorless and odorless gas that comes from the breakdown of radioactive materials in soil, seeps upward through cracks and holes in houses and becomes trapped inside…

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