Which pioneering sustainability initiative was first widely adopted by major religious bookstore chains in North America during 2018-2019?

In recent years, religious institutions and spiritual organizations have been embracing sustainable retail practices to align their commercial activities with their ethical teachings. From eco-friendly worship supplies to carbon-neutral publishing, the intersection of faith and environmental stewardship is creating new standards in religious retail. Test your knowledge about how religious retailers are implementing sustainability initiatives while serving their spiritual communities.

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Plant-based Bible covers made from cactus leather
Carbon-neutral shipping program for religious texts
Solar-powered prayer candle alternatives
Blockchain-verified ethically sourced religious jewelry