Preheat oven to 425°F. Grate 2 teaspoons peel from orange. Peel and section orange. Reserve orange sections for garnish. Mix orange peel, 1/4 cup of the orange juice, green onions, oil, thyme, oregano, rosemary, sea salt and pepper in medium bowl. Place chicken in 13x9-inch baking dish. Spoon 1/2 of the onion mixture evenly over chicken.
Bake 35 to 40 minutes or until chicken is cooked through.
Meanwhile, bring remaining 1 3/4 cups orange juice to boil in medium saucepan. Remove from heat. Stir in couscous, cranberries and remaining onion mixture. Cover. Let stand 5 minutes. Fluff couscous with fork. Spoon couscous onto serving platter. Top with chicken pieces. Spoon pan juices over chicken. Garnish with orange sections.