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© CNRS - 2020
Waterproofing, fire-proofing and non-stick coating. These technologies bring safety and comfort to our daily lives, but are based on chemicals called per and polyfluoroalkyl substances or PFAS. Nicknamed “forever chemicals”, these molecules are volatile - they can be emitted by the materials they are applied on and get released into the air. There, they can linger in the environment for decades and travel vast distances, accumulating in regions far from their initial site of emission. In the great north, they can harm the environment and certain species.
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