My family has been eco-minded and enviro-friendly since the mid 70's. Since I was a precocious infant who could read (not a 3rd grader--because I'm not that old!)
I got the message in 1974 from my dad that we needed to be attentive stewards of our natural resources.
And by "got the message" I mean through carefully chosen literature provided by my father.
And by "literature" I mean a bumper sticker. The one and only bumper sticker my dad (I come from a long line of Bumper Sticker Despisers) ever had.
The righteous, Mother Earth love-affirming message my dad felt strongly enough about to proudly bear on his car?
It was this: