Which innovative marketing campaign pioneered the 'adoption' model for wildlife conservation that is now used by organizations worldwide?

Test your knowledge about famous marketing campaigns that revolutionized wildlife conservation efforts! Throughout history, certain marketing strategies have significantly impacted public awareness and funding for endangered species protection. This poll explores one of the most successful wildlife conservation marketing campaigns that changed how the public engages with animal protection initiatives. Can you identify the groundbreaking campaign that transformed the conservation landscape?

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WWF's 'Adopt an Animal' program (1973)
Greenpeace's 'Save the Whales' campaign (1975)
National Geographic's 'Photo Ark' project (2006)
IFAW's 'Animal Action Week' initiative (1992)