Which wildlife conservation organization pioneered the 'symbolic animal adoption' subscription model in the 1970s, revolutionizing how conservation groups engage with supporters?

Wildlife conservation organizations have increasingly turned to subscription models to fund their operations and engage supporters in ongoing protection efforts. These recurring donation programs often include perks like adoption certificates, exclusive content, and impact updates. Test your knowledge about these innovative subscription programs that are helping protect endangered species and their habitats around the world!

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

World Wildlife Fund (WWF)
The Nature Conservancy
Wildlife Conservation Society
National Audubon Society