Which major retail chain was first to implement a 'zero energy' store design that produces 100% of its energy needs on-site through renewable sources?

Test your knowledge about groundbreaking sustainable practices in retail architecture! The retail industry has been transforming its approach to environmental responsibility through innovative architectural solutions. From pioneering green building certifications to revolutionary material usage, this trivia question explores a significant milestone in sustainable retail design that changed industry standards worldwide.

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Walmart's EcoHub in McKinney, Texas (2013)
IKEA's net-zero energy store in London (2011)
Walgreens' net-zero energy store in Evanston, Illinois (2009)
Apple's carbon-neutral flagship in Singapore (2015)