Which naturally-derived polymer, discovered in 1926 but only commercially applied to retail packaging in the 2000s, created a revolution in sustainable packaging by being both marine biodegradable and home compostable?

Throughout history, revolutionary discoveries in packaging materials have shaped retail sustainability efforts. From the invention of biodegradable alternatives to traditional plastics to innovations in recyclable packaging, these breakthroughs have transformed how products reach consumers while reducing environmental impact. Test your knowledge about a groundbreaking sustainable packaging discovery that changed retail forever!

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Polylactic acid (PLA)
Polyethylene furanoate (PEF)
Polyhydroxyalkanoate (PHA)
Cellulose acetate