The Surprising Side of Carbon Dioxide

▼ Summary
– The author’s Thanksgiving routine now includes posting a link to the weekly Thursday podcast, *The Distraction*, which has become a normal part of the holiday.
– The episode featured guest Peter Brannen, author of a book on carbon dioxide’s vital role in Earth’s history across millions of years.
– The discussion covered basic but detailed questions about CO2, including theories on deep-sea vents and life as a result of chemical disequilibrium.
– After a segment on climate change, the conversation pivoted to NBA topics, including the Boston Celtics and the LA Clippers’ performance.
– The episode concluded with a lighthearted fantasy sandwich discussion before ending in under an hour.
The annual Thanksgiving ritual now includes sharing the latest episode of our podcast, a small tradition that has woven itself into the holiday’s familiar chaos of cooking, family shouts, and navigating my parents’ stairs. This year, the episode felt like a true return to form after the holiday haze, covering a surprisingly interconnected mix of climate science, professional basketball, and the art of the perfect sandwich.
Our guest was writer Peter Brannen, author of the fascinating book The Story of Carbon Dioxide Is the Story of Everything. His work traces the profound and complex role this single molecule has played across the entire history of our planet. While humanity’s recent disruptive influence is a critical part of the conversation, we spent much of our time exploring the deeper, more ancient story. Brannen detailed compelling theories about how carbon dioxide spewing from deep-sea hydrothermal vents may have been crucial for shaping early life. We considered a world that was utterly hostile for its first four billion years and pondered life itself as a product of planetary chemical imbalance.
The fundamental takeaway is elegantly simple, even if the science is complex: The amount of carbon dioxide in our atmosphere is a primary regulator of global temperature. Too little, and the planet plunges into an ice age; too much, and we face the overheating challenges we discuss today. Beyond the numbers, we grappled with the immense difficulty of comprehending humanity’s brief moment against the vast backdrop of geologic time, a challenge for both writers and readers alike.
After such heady discussion, the shift to NBA talk was a welcome change of pace. We dissected the Boston Celtics’ puzzling season, the current era of extravagant promotional giveaways, and the kind of players fans talk themselves into loving during rough stretches. The conversation turned to the Oklahoma City Thunder’s unique competitive threat, reflected on the legacy of former commissioner David Stern vetoing the Chris Paul trade, and expressed collective astonishment at the spectacular struggles of this year’s Los Angeles Clippers.
We then presented our guest with a complex sandwich hypothetical. This allowed for a celebration of the legendary deli habits of Carl Reiner and Mel Brooks and a collective pondering of how Abraham Lincoln might have approached a meatball sub. The entire journey wrapped in under an hour, a mere blink on Brannen’s customary geologic timescale, but a thoroughly engaging one for us.
(Source: Defector.com)