Get the carbon level low enough & it's the end of vegetation on planet earth. When it comes to the green($$$$$) environMENTAL $cifienti$it$ & their super green(think over ripe avocado green color here) know it nothing followers, all that matters to these narcissistic induced perverts is power & control over other folks.
They`ll pry that lump of coal from your cold dead fingers.
Ideally, co2 should be 1,000ppm, and 1,800ppm max for food crops.
Says who?
Greenhouse owning food produces. It's what they pump into greenhouses for optimal plant growth. Plants die in unventilated greenhouses because the plants absorb the co2, it gets too low and they die. It's why they say talking to your plants promotes growth, because you're breathing co2 onto them. Plants are segregated into classes, above 1,800ppm, the likes of tomatoes and cucumbers suffer.
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