Which wildlife conservation organization pioneered 'disappearing packaging' that dissolves in water to symbolize habitat loss?

The conservation world has seen remarkable packaging innovations to promote sustainability and raise awareness about endangered species. Many wildlife organizations have revolutionized their product packaging to not only protect products but also to educate consumers and minimize environmental impact. Test your knowledge about a groundbreaking packaging innovation in the wildlife conservation sector!

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World Wildlife Fund (WWF) with their 2019 'Vanishing Species' product line
National Geographic with their 'Endangered Oceans' campaign materials
The Nature Conservancy's 'Fading Forests' merchandise packaging
Conservation International's 'Earth Conscious' retail products