Steel cans provide the most eco-efficient way to deliver vegetables to consumers, according to an independent study carried out for European steel packaging organisation Apeal.
The claim is based on a life-cycle assessment of seven packaging options for carrots sold in the Netherlands by Dutch research institute TNO. It concludes that - allowing for international trade - canned carrots offer the best combination of low environmental impacts and low costs. Carrots packed in food pouches, laminate cartons or frozen in cartons performed worst.
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