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Retailers are under growing pressure to cut packaging waste, much of which ends up in landfill rather than being —recycledrecyclingrecyclerecyclable. Some supermarkets now let customers refill containers instead of buying new ones, which significantly —reducesreducereducingreduction the volume of plastic discarded each week. Critics argue, however, that voluntary schemes alone will not —addressaddressesaddressingaddressed the scale of the problem without binding regulation.