In celebration of Earth Day, which takes place on April 22, Apple has started updating the logos of some of its retail stores with green leaf accents, a departure from the standard white logo. For example, Apple's massive Nanjing East retail store in Shanghai has been updated with the green Earth Day logo, as it is just after 8AM on April 22 in China. Image courtesy of Instagram user znnina As noted last week by 9to5Mac, Apple is planning to celebrate Earth Day at multiple retail locations around the world, changing its logo and encouraging employees