The lyrics serve as a "requiem for the planet," highlighting specific environmental crises that remain strikingly relevant today:
: Questions how much more "abuse from man" an overcrowded land can stand. marvin_gaye_mercy_mercy_me_the_ecology_playlist...
: Features a prominent tenor saxophone solo by Wild Bill Moore. The lyrics serve as a "requiem for the
: Mentions "poison in the wind" and oil spills wasting the oceans. heavily treated with studio reverb.
: Describes "fish full of mercury" and the death of nearby animals and birds.
: A driving bassline, soaring strings conducted by Paul Riser and David Van De Pitte, and Gaye’s multi-tracked vocal harmonies.
: The distinctive clicking sound was created by striking a wood block with a rubber mallet, heavily treated with studio reverb.