This is one of my favorite songs. The voice, words, sentiment and tempo all suit me. From nineteen seventy-one, I don’t know when or where I first heard it. I sometimes stream it to myself. This is a song I loved, but I never owned a copy. Its truths remain true: what happened to our blue skies? What are we doing to the animals with radiation underground? Why do so many give so little care or interest about the planet’s ecology?

Here’s Marvin Gaye with ‘Mercy Mercy Me (The Ecology)’.