Comment by ifwinterco
5 hours ago
This is a meme on hacker news that's usually stated as a fact, but I'm not sure there's any robust evidence of cognitive impairment at <1000ppm
5 hours ago
This is a meme on hacker news that's usually stated as a fact, but I'm not sure there's any robust evidence of cognitive impairment at <1000ppm
https://www.sciencedirect.com/science/article/pii/S036013232...
> In this study, a systematic review and meta-analysis of fifteen eligible studies was performed to quantify the effects of short-term CO2 exposure on cognitive task performance.
> The complex task performance declined significantly when exposed to additional CO2 concentrations of 1000–1500 ppm and 1500–3000 ppm
It looks like there might be a very small effect starting at around 1000ppm but so small that many studies find no difference at all, and reliable effects are only noted at 3000ppm or more.
So we're a long way from needing to scrub co2 from the atmosphere to get any work done
Not from atmosphere but we need good ventilation. Over 2000ppm in offices is very common.
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