Which innovative product packaging strategy by the World Wildlife Fund (WWF) won the 2019 Cannes Lions Grand Prix for creative packaging design?

Test your knowledge about innovative product packaging in the wildlife conservation industry! Conservation organizations often use creative packaging strategies to raise awareness and funds for endangered species. These strategies can significantly impact consumer engagement and donation behavior. How well do you understand the marketing tactics that have proven most successful in this specialized field?

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The 'Endangered Species' chocolate bars with disappearing animal images as you unwrap them
The 'Plastic Free Day' biodegradable shopping bags that dissolve in water to reveal marine animal silhouettes
The 'Your Plastic Diet' credit card-sized package containing a plastic card that consumers could symbolically eat
The 'Last Photos' camera film boxes featuring the final images taken of now-extinct species