News | Lower South Island
13 Feb 2025 13:38
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  •   Home > News > National > Lower South Island

    New Otago University research has found not all unwanted food is able to be re-purposed in a sustainable way

    New Otago University research has found not all unwanted food is able to be re-purposed in a sustainable way


    The Public Health Communication Centre has looked into how up-cycled food is environmentally, socially and economically sustainable.

    Author Meg Thorsen says it shows environmental benefits rely on factors such as the type of waste being re-purposed and the energy needed for processing.

    She says up-cycling brewer's spent grain into food products could have a higher carbon footprint than using it as animal feed - unless appropriate processes are used.

    Thorsen says it shows there's a need for policies to balance the outcomes.

    © 2025 Newstalk ZB, NZCity

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