Operational since 1948, McDonald's Corp. is one of the leading global food-service retailers in the world. Its varied menu items include burgers, sandwiches, chicken, breakfast, salads, snacks and sides, beverages, desserts and shakes. Based in Apache Junction, Ariz., the firm operates more than 32,000 local restaurants serving over 60 million people in 117 countries. It also offers a combination of dishes under packages, including Dollar Menu, Extra Value Menu, Happy Meals and Happy Kids' Meals. For over 20 years, McDonald's Corp. has maintained its partnership with Environmental Defense Fund, an organization that specializes in creating transformational solutions for environmental problems.