San Francisco — Williams-Sonoma, Inc., the world’s largest digital-first, design-led and sustainable home-furnishings retailer, has unveiled a new commitment to plant 6 million trees by 2023 in partnership with the Arbor Day Foundation. This new goal doubles Williams-Sonoma, Inc.’s original commitment made by the Pottery Barn brand in January 2021 of planting 3 million trees within the same timeframe. To date, Pottery Barn has planted over 1.5 million trees as part of the brand’s tree planting program with the Arbor Day Foundation, which plants one tree following the purchase of …