Which innovative packaging material was first adopted by the World Wildlife Fund (WWF) for their branded merchandise in 2018 that reduced plastic waste by over 70%?

Sustainable packaging has become a critical focus for companies in the animal and wildlife product sector. As consumers become more environmentally conscious, brands are innovating to reduce their ecological footprint while still protecting their products. This trivia question explores how one major wildlife conservation organization revolutionized their product packaging approach to align with their conservation mission.

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Mycelium-based packaging (fungal root structures that create biodegradable foam alternatives)
Seaweed-extract bubble wrap (marine-safe packaging that dissolves in water)
Compressed hay fiber containers (agricultural waste repurposed as rigid packaging)
Banana leaf wrapping systems (traditional technique modernized for commercial shipping)