Which retailer opened the first LEED-certified sustainable prototype store in 2005, featuring daylight harvesting architecture, a green roof, and recycled building materials that revolutionized retail design?

The architecture of retail spaces has evolved dramatically over the decades, with sustainability becoming a major focus in the 21st century. Major retailers have invested millions in creating eco-friendly prototype stores that showcase innovative architectural solutions to environmental challenges. This question explores which retail giant pioneered the first widely recognized sustainable store prototype that significantly influenced modern retail architecture and design standards.

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Walmart (with their experimental 'Eco-Store' in McKinney, Texas)
Target (with their 'PlanIt Green' concept store in Chicago, Illinois)
IKEA (with their 'Sustainability Showcase' in Malmö, Sweden)
Whole Foods (with their 'EcoMarket' prototype in Boulder, Colorado)