If all car tyres were filled with CO2, would this cut atmospheric carbon significantly?

The Guardian Tech Sunday 23 August 2026, 13:00 UTC 1 min read

Key Points

The long-running series in which readers answer other readers’ questions probes an intriguing scientific question in relation to the climate emergencyReaders reply: Is it inevitable that consumerism will literally fill up the planet?If all the vehicles on the planet had their tyres pumped up with CO2, would this lock up enough carbon to lower the amount in the air significantly? Would there be other issues, such as the carbon cost of trapping it all into the tyres? Chris Coldwell,...

The long-running series in which readers answer other readers’ questions probes an intriguing scientific question in relation to the climate emergency

Readers reply: Is it inevitable that consumerism will literally fill up the planet?

If all the vehicles on the planet had their tyres pumped up with CO₂, would this lock up enough carbon to lower the amount in the air significantly? Would there be other issues, such as the carbon cost of trapping it all into the tyres? Chris Coldwell, Lancaster

Post your answers (and new questions) below or send them to [email protected]. A selection will be published next Sunday.

Chris Coldwell (PERSON) LancasterPost (ORG)

Originally published by The Guardian Tech Read original →

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If all car tyres were filled with CO2, would this cut atmospheric carbon significantly?

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