Please, Please, Don't Be a Litterbug!

Evidently the Apollo 11 team were the most profligate litterers in history (up to then), according to this article from the July 20, 1969 Bartlesville Examiner-Enterprise.

Many folks of this vintage will immediately think of the jingle "Please, please, don't be a litterbug / 'Cause ev'ry litter bit hurts!"  You can hear it at the very end of this 1961 PSA:

See you next week!