Fortunately, the answer exists, but it is scattered across a dozen short stories, essays, and novel appendices. Asimov was a systematizer; he built a future history so detailed that even without a book called 2430 A.D. , you can reconstruct that year perfectly.
: Cranwitz eventually complies and kills his animals. Overcome by the loss, he then commits suicide. The story concludes with the "exquisite nothingness of uniformity," as Earth is left with only 15 trillion humans and the plankton needed to feed them. en.wikipedia.org Key Themes and Context Overpopulation and Biodiversity 2430 a.d. isaac asimov pdf