Which wildlife conservation organization pioneered the 'buy one, give one' sustainable retail model where for each product purchased, a portion directly funds habitat restoration?

Test your knowledge about how major wildlife conservation organizations are implementing innovative sustainable retail practices to fund their mission while reducing environmental impact. These organizations rely heavily on retail operations through gift shops, online stores, and merchandise to support conservation efforts, making sustainability in their retail operations a critical component of their overall mission.

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World Wildlife Fund (WWF) with their 'Wear it Wild' campaign
Conservation International's 'Wildlife Commerce Initiative'
National Wildlife Federation's 'Habitat Heroes' program
The Nature Conservancy's 'Planet Purchase' program