From NYTimes.com: Solution, or Mess? A Milk Jug for a Green Earth
I never understand why it’s so hard for people to change habits or preferences when there’s tremendous benefits in doing so. The milk jug above is much friendlier to the environment because it can be stacked for cheaper and more efficient transportation saving 20 to 30 cents/gallon. But, people complain that it’s harder to pour if you don’t know how.