Which historical retail practice from the early 1900s is considered a pioneering example of sustainable packaging that has recently seen a resurgence in modern retail?

Before modern sustainability efforts, retailers in history often employed circular economy practices out of necessity. This poll explores a fascinating chapter in retail history when sustainability wasn't just a marketing strategy but an economic imperative. Test your knowledge about how our ancestors approached product packaging and waste reduction in retail environments long before the term 'sustainability' entered our vocabulary.

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The milk bottle deposit system, where glass bottles were returned, sanitized and reused up to 50 times
The introduction of cellophane wrapping, marketed as the first biodegradable packaging material
The use of beeswax-coated cloth as food wrapping in general stores
The paper bag recycling program initiated by Woolworth's department stores