I looked into this for a few minutes when a huge algae CO2 scrubber in am airport was discussed a few weeks back. The short is that it does close to nothing: ht

I looked into this for a few minutes when a huge algae CO2 scrubber in am airport was discussed a few weeks back. The short is that it does close to nothing: https://news.ycombinator.com/item?id=33173230 https://news.ycombinator.com/item?id=33173230 It's too bad because one of my weird dreams would be to have a vat of genetically modified algae in my house that removes CO2 and turns into some kind of Soylent.