...Zero Population Growth embodied the rallying cry that "the personal is political". ... Ehrlich took up as his life's work the dissemination of its message -- that the single biggest threat to our global environment was overpopulation. For believers in ZPG, the most intimate of decisions could be interpreted as a declaration of one's commitment to the environment.
What does it mean by "the most intimate of decisions"?
It means very private and personal. It's between a man and a woman whether they want to be parents and bring children to this world.Originally Posted by Eway