Which traditional cultural festival product underwent the largest sustainability transformation between 2018-2022, reducing its environmental impact by over 70% while maintaining cultural authenticity?

As cultural celebrations worldwide face increasing environmental scrutiny, many traditional festivals are embracing sustainable practices and eco-friendly products. This shift represents a fascinating intersection of heritage preservation and environmental responsibility. Test your knowledge about how sustainable product innovations are transforming cultural celebrations while maintaining authentic traditions.

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Holi festival colors (switching from synthetic dyes to plant-based pigments)
Chinese New Year lanterns (transitioning from non-biodegradable materials to bamboo and rice paper)
Diwali oil lamps (replacing petroleum-based waxes with beeswax and vegetable wax alternatives)
Day of the Dead decorations (implementing biodegradable alternatives to plastic ornaments)