Comment on Half a pound of this powder can remove as much CO2 from the air as a treeparentComments−Woodi1yStill, tree produce oxygen from that CO_2. And do not need energy from grid for that :)Threating CO_2 like radioactive waste, putting it underground etc - that what I call not self-sustained :>
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Still, tree produce oxygen from that CO_2. And do not need energy from grid for that :)
Threating CO_2 like radioactive waste, putting it underground etc - that what I call not self-sustained :>