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Carbon dioxide is a molecule so important it has shaped life on Earth for billions of years. Without it, there would be no plants, no oceans, no people. But now, after centuries of burning coal, oil and gas, it’s in the atmosphere at levels that alarm scientists.
In this episode of The Climate Question, Graihagh Jackson speaks to Peter Brannen, science journalist and author of The Story of CO2 is the Story of Everything, and Esme Stallard, BBC climate and science reporter.
They explore what makes this tiny molecule so powerful, how it has driven ice ages and mass extinctions, why the story of CO2 is the story of human progress — and what might come next.
Do you have a climate question? Let us know in the comments👇
00:00 Intro: What is CO2 and why does it matter?
01:00 Meet Peter Brannen and Esme Stallard
02:30 What makes CO2 so powerful?
04:20 What would Earth be like without CO2?
06:00 How CO2 traps heat and makes life possible
08:00 From volcanoes to fossil fuels – the story of carbon through time
11:00 The Anthropocene – how humans changed the geological record
14:00 Earth’s past – palm trees in the Arctic, ice ages in Europe
19:00 The future we choose
Watch more episodes from The Climate Question here 👉 https://www.youtube.com/playlist?list=PLz_B0PFGIn4dlFahw2svjb6-aW_BVOn4x
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