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A comment on Indoor CO2 may reach levels harmful to cognition by the end of this century. Parent comment

Re:Indoor CO2 may reach levels harmful to cognition by the e... by regen on Saturday September 19, 2020 @11:38AM (#24528148)
It still takes time for outdoor normal co2 level to reach those levels.

We gain 2 co2 per year.

And you can have an indoor garden

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