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