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Re:$100M xPrize for Carbon Removal by Mizza on Wednesday July 14, 2021 @12:42PM (#27835094)
The limiting factor for plant growth isn't carbon, it's nitrogen.
Re:$100M xPrize for Carbon Removal by flavius29663 on Wednesday July 14, 2021 @01:33PM (#27835750)
While that is true for a lot of circumstances, in others the addition of CO2 helps the plants survive droughts and other conditions easier.

https://www.nasa.gov/feature/goddard/2016/carbon-dioxide-fer...

https://theconversation.com/yes-more-carbon-dioxide-in-the-a...

https://onlinelibrary.wiley.com/doi/full/10.1111/gcb.14950