For the past quarter century journalist and non-fiction writer Alan Weisman has traveled the globe to write about the existential crises that now imperil the planet.  In The World Without Us (2007), which became a New York Times bestseller, he kills off humanity in the opening pages to help us imagine what would become of our environmental impact after we’re gone.  In Count Down: Our Last Best Hope for a Future on Earth (2013), he chronicles the causes and responses to the population explosion that is pushing the planet to the brink.  Lastly, in Hope Dies Last: Visionary People Across the World, Fighting to Find Us a Future (2025) he showcases the extraordinary people rising to meet the challenges that threaten our survival.  A conversation with Alan Weisman, through the lens of memory and forgetting, next on the November 4th episode of the Realms of Memory podcast.