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> in space stations by capturing CO2 emitted by astronauts and produce stuff You mean all ten of them? https://www.howmanypeopleareinspacerightnow.com/ https:

• az09mugen 2y ago
  Thanks for that link ^^ I looked a little bit into the numbers [0] and mostly [1], and it's something around 1 kg of CO2/day/person. According to the guardian [2], with water, electricity, ammonia, nutrients and 2 kgs of CO2, you can make 1 kg of some kind of food replacing the meat. I don't say it's easy to do but maybe it's worth exploring to lower the quantity of food astronauts need to bring with them to space. [0] : https://www.researchgate.net/post/How-much-will-be-the-human-breathing-CO2-emission-factor https://www.researchgate.net/post/How-much-will-be-the-human... [1] : https://8billiontrees.com/carbon-offsets-credits/how-much-co2-do-humans-produce/ https://8billiontrees.com/carbon-offsets-credits/how-much-co... [2] : https://www.theguardian.com/environment/2021/dec/05/carbon-dioxide-co2-capture-utilisation-products-vodka-jet-fuel-protein https://www.theguardian.com/environment/2021/dec/05/carbon-d...