Supermarket giants step up war on plasticWoolworths and Coles have ramped up plans to reduce the amount of plastic packaging in their stores and slash food waste.Woolworths and Coles have ramped up plans to reduce the amount of plastic packaging in their stores. (AAP) Source: AAPPublished 4 June 2018 5:27pmUpdated 4 June 2018 5:31pmBy Hương LanAvailable in other languagesSkip to article contentShare this with family and friendsCopy linkShareShare