Which retail sustainability initiative holds the Guinness World Record for 'Largest Environmental Sustainability Initiative' as of 2019?

The retail world has seen some remarkable achievements that have earned places in the Guinness World Records. From massive store openings to extraordinary sustainability initiatives, these records showcase the innovation and scale of global retail. Test your knowledge about the intersection of world records and retail accomplishments that have made history!

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IKEA's 'Plant a Tree' program that planted 1 million trees across 5 continents
Walmart's 'Project Gigaton' aimed at removing 1 billion metric tons of emissions from their global supply chain
Amazon's 'Climate Pledge' committing to 100% renewable energy across all operations
H&M's 'Garment Collecting Program' that recycled 100,000 tons of textiles