Which packaging design innovation holds the Guinness World Record for 'Largest Reduction in Carbon Footprint' for a retail product?

The retail world is full of fascinating records, but how much do you know about groundbreaking packaging design? This trivia question focuses on a remarkable packaging innovation that earned a Guinness World Record. Test your knowledge about sustainable packaging developments that have made history in the retail industry and see if you can identify which packaging solution achieved this remarkable distinction.

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Coca-Cola's PlantBottle technology (2015)
Puma's Clever Little Bag shoebox alternative (2011)
Amazon's Frustration-Free Packaging initiative (2013)
Unilever's compressed deodorant aerosol cans (2014)