[panax]

If only there was a way to do direct air carbon capture for the home and office with high CO2 concentrations to lower them economically

https://arstechnica.com/science/2020/10/start-up-wants-to-do...

I wonder how this compares to the cost of properly ventilating in an non ideal climate for ventilation. My guess is that it is way more expensive

[ActionPlankton]

Played with these ideas a little:

https://news.ycombinator.com/item?id=24530731