New research from the United Nations finds women all over the world are having fewer children than ever before. But haven’t we been hearing for decades that the world’s population is getting too big for the planet to support and a smaller population would be better? Two University of Texas at Austin Associate Economics professors have a new book out challenging some assumptions about population size and the health of the planet. KUT’s Jennifer Stayton talked recently with Dean Spears and Mike Geruso about their book After the Spike: Population, Progress, and the Case for People. Spears speaks first about where things stand with the world’s population.
July 30, 2025