Which sustainability initiative was first widely adopted by major religious retail organizations?

The intersection of spirituality and sustainability has become increasingly important in religious retail. Faith communities worldwide are embracing eco-friendly practices in their merchandising, from fair trade religious artifacts to ethical publishing. This poll tests your knowledge about how major religious organizations are incorporating sustainability into their retail operations while staying true to their spiritual missions. Can you identify which pioneering initiative is making waves in the world of religious retail sustainability?

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Biodegradable prayer book pages made from seed paper that can be planted after use
Fair trade certification for religious artifacts and ritual objects
Carbon-neutral shipping for all online religious bookstore orders
Blockchain authentication system for ethically sourced religious relics