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A comment on We need to take CO2 out of the sky – an overview of climate tech. Parent comment

Re:We need to take CO2 out of the sky – an overview of clima... by cs02rm0 on Wednesday February 26, 2020 @01:33AM (#22420852)
Have you got a reference for the 800ppm bit? Not being provocative - it'd be genuinely useful to me.
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Re:We need to take CO2 out of the sky – an overview of clima... by AncientTree on Wednesday February 26, 2020 @03:56AM (#22421496)
There are multiple studies on the issue, and another user linked to Wikipedia.

I'd personally recommend buying a CO2 monitor: https://www.aliexpress.com/item/32887534678.html?spm=a2g0o.p...

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Re:We need to take CO2 out of the sky – an overview of clima... by throwaway8941 on Wednesday February 26, 2020 @01:43AM (#22420898)
https://en.wikipedia.org/wiki/Carbon_dioxide#Below_1%
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