In a large bowl, dissolve gelatin in boiling water. Add cold water, reserved pineapple juice. and orange peel. mix well. Chill 15 to 20 minutes, or until slightly thickened. Stir in pineapple and carrot. Pour into a 9x13 inch baking dish. Chill 1 hour.
In a large bowl. beat cream cheese and sugar until smooth. Fold in whipped topping and spread evenly over pineapple gelatin mixture.