1 Americans are responsible for about 1/5 of the world
â€™s garbage annually. On average, thatâ€™s 3 pounds a day per person. 2 Giraffes and rats can last longer without water than camels. 3 The ZIP in â€œZIP codeâ€? means Zoning Improvement Plan 4 40% of McDonaldâ€™s profits come from the sales of Happy Meals.