Which government-mandated retail program first required major retailers to display environmental impact scores on product labels nationwide?

In recent years, governments worldwide have implemented various policies to increase retail transparency and accountability. These initiatives aim to protect consumers, ensure fair competition, and promote ethical business practices. This trivia question tests your knowledge about a significant government-mandated retail transparency program that changed how major retailers communicate sustainability information to consumers.

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France's Eco-Score system (2021)
UK's Carbon Footprint Label Scheme (2019)
USA's Green Retail Initiative (2020)
Germany's Sustainability Index Requirement (2022)