Which retail innovation, launched in 2011, pioneered the 'buy one, give one' model specifically for wildlife conservation where each purchase funds protection of endangered animal habitats?

Test your knowledge about major retail innovations in the wildlife conservation industry! Many companies have developed creative ways to sell products while supporting animal conservation efforts. This poll explores a groundbreaking retail concept that changed how consumers interact with wildlife merchandise and conservation funding. Do you know which innovative retail model revolutionized wildlife product marketing while directly supporting conservation?

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World Wildlife Fund's 'Adopt an Animal' symbolic adoption program
Tentree's 'ten trees planted per item' apparel business model
Patagonia's '1% for the Planet' environmental donation pledge
National Geographic's 'Photo Ark' merchandise collection