Cage-free chickens in a barn near Hershey, Pa., get to roam and perch on steel rods, but they don't go outside. This week, McDonald's became the latest big buyer to demand cage-free eggs.
Kale is not only loaded with nutrients, but it's become a emblem of a healthy lifestyle that's increasingly appealing to Americans ready to move away from processed, high-calorie food.
A U.S. company that supplies meat to some fast-food chains in China has pulled all of its products, some of which were chicken nuggets sold in Hong Kong, made by a Chinese subsidiary.
Fast-food workers march toward the Smithsonian's National Air and Space Museum in Washington, D.C., on Thursday. Similar rallies occurred in about 100 cities across the U.S.