Case studies

There are voluntary agreements all over the world, including the UK, Australia and the US. Read about some of the international success stories below. As Kai Commitment Signatories develop their targets, start measuring their food waste and act on reduction, you will also find case studies from New Zealand businesses here.


Woolworths NZ

By adding a new feature to their inventory management system, some of Woolworths NZ’s top performing stores have achieved more than 90% diversion of food waste from landfill.

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Measuring the waste from each life-cycle stage, one pasta product showed that 76% of edible product loss was at consumption, creating a new sustainability focus for Barilla – the pasta cooking habits of its consumers.

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In 2018, Nestlé actively worked with its suppliers across 30 countries to reduce spillages, mishandling, spoilage and poor processing of milk products – reducing GHG emissions from waste by 27,000 tonnes of CO2eq, and saving farmers and the company US$2.6 million.

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Co-op UK

Co-op reduced food waste by 29% in 3 years using the Target, Measure, Act framework through new stock control systems, pricing systems for expiring products and new packaging technology to extend shelf life.

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Unilever wants to do better than the SDG12.3 2030 deadline and has set a target of 50% reduction in food waste its operations from factory to shelf by 2025. Sub-targets include:

  • Zero expired products are thrown in landfill
  • 100% raw material applied to make food

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