Paul Ehrlich, Professor Emeritus of Population Studies at Stanford and conservation advocate, reflects on his career and the lessons learned from his book, The Population Bomb. He delves into the challenges of population growth and biodiversity loss, emphasizing education and wealth in fostering environmental responsibility. The conversation also touches on the ethical dilemmas surrounding genetic cloning of extinct species and the implications of nuclear energy on sustainability. Ehrlich paints a vivid picture of humanity's future and the moral responsibilities toward nature.