McDonald's has been one of the leading global food service retailers in the world since its inception in 1948. Its varied menu includes burgers, sandwiches, chicken, breakfast, salads, snacks and sides, beverages, desserts and shakes. 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 has maintained its partnership with Environmental Defense Fund, a nonprofit organization that specializes in creating transformational solutions for environmental problems.