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If all car tyres were filled withCO2, would this cut atmospheric carbon significantly?

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

Read full story on The Guardian
The Guardian23 Aug 2026, 01:00 pmUpdated 1d ago1 min readTechGlobal
If all car tyres were filled with CO2, would this cut atmospheric carbon significantly?

GlobalThe Guardian

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 CO 2 , 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 nq@theguardian.com . A selection will be published next Sunday.

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

This report is published with credit to The Guardian. The wire sent a summary; open the original for any extra context. Read on The Guardian

Source: The Guardian. Published 23 Aug 2026, 01:00 pm.

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