Bentonville, Ark. — On April 18, 2018, Walmart announced that suppliers have reported reducing more than 20 million metric tons (MMT) of greenhouse gas emissions in the global value chain, as part of the company’s Project Gigaton initiative. Walmart launched Project Gigaton last April, seeking to work with suppliers to reduce emissions from the company’s value chain by a gigaton, or one billion metric tons, by 2030. The emissions reduction progress was shared at Walmart’s annual Sustainability Milestone Summit, where expanded commitments on solar and wind power, as well as …