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Comment by Trevor PresentlyInAshFork
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Here's a tidbit. Seems small but seems mega important to me. Do some web-fu and see what level of CO2 is optimal for plant growth. It's measured in PPM or Parts Per Million of CO2 molecules in our atmosphere (mostly nitrogen, CO2 and O2). I think you will see scientific consensus as a 500ppm threshold and below that, we see reduced plant growth. Reducing CO2 further reduces growth until photosynthesis STOPS around 200ppm. At that point all life on Earth has ceased to exist. We are at 500ppm right now.

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