Which groundbreaking sustainable innovation in book publishing, launched in 2011, reduced paper use by over 65% while maintaining the traditional book experience?

The publishing industry has undergone significant transformations in recent years, particularly in sustainability practices. From eco-friendly printing methods to carbon-neutral supply chains, publishers are reimagining how literature reaches readers while minimizing environmental impact. This trivia question explores an innovative sustainability initiative that changed how we think about the environmental footprint of books.

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Espresso Book Machine, allowing on-demand printing in bookstores
Cradle to Cradle certification for books with fully recyclable materials
The Physical-Digital hybrid model with embedded QR codes linking to digital content
Stone paper books made from calcium carbonate instead of wood pulp