Which revolutionary packaging innovation did National Geographic introduce for their maps in 2019 that significantly reduced plastic waste?

Product packaging in the geography industry has evolved dramatically in recent years, with sustainability and localization becoming key focus areas. Map publishers, atlas producers, and geographic equipment manufacturers are innovating with region-specific designs, biodegradable materials, and smart packaging that enhances user experience. Test your knowledge about a groundbreaking packaging innovation that changed how we interact with geographic products!

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Stone paper maps that are waterproof, tear-resistant, and 100% recyclable without using any trees or water in production
Self-folding maps with embedded memory materials that automatically return to their original fold pattern
Digital packaging with QR codes that replaced physical maps entirely, eliminating all packaging waste
Edible rice paper packaging that dissolves in water or can be safely consumed after use