Dagomar Degroot
Associate Professor of Environmental History at Georgetown University and author of Ripples on the Cosmic Ocean, with prior work on climate history and public writing for outlets like The Washington Post and Nature.
Best podcasts with Dagomar Degroot
Ranked by the Snipd community
Jan 13, 2026 • 1h 16min
Dagomar Degroot, "Ripples on the Cosmic Ocean: An Environmental History of Our Place in the Solar System" (Harvard UP, 2025)
Dagomar Degroot, an Associate Professor of Environmental History at Georgetown University, reveals how cosmic events influence Earth. He discusses the links between planetary environments and human history, such as how Martian dust storms impacted the Cold War. Degroot explores ethical questions around altering other worlds, back-contamination risks from Apollo missions, and the threats of asteroids. He advocates for democratic governance in managing cosmic risks and highlights the lessons Earth can learn from Venus’s climate trajectory.
Jan 13, 2026 • 1h 16min
Dagomar Degroot, "Ripples on the Cosmic Ocean: An Environmental History of Our Place in the Solar System" (Harvard UP, 2025)
Dagomar Degroot, an environmental historian and author, dives into his book Ripples on the Cosmic Ocean, exploring the links between our planet and the solar system. He discusses how Martian dust storms influenced Cold War dynamics and how cosmic events have shaped human innovation. Degroot raises ethical questions about altering other worlds and warns of contamination risks from space exploration. He also highlights the vital role of the Sun, recounts near-misses from solar flares, and emphasizes the need for global cooperation in managing existential risks.
