Comment on Half a pound of this powder can remove as much CO2 from the air as a treeparentComments−doctorwho421yEnergy can be economically cheap in the current paradigm, while also being insufficiently cheap or insufficient quantities of clean energy to make the above comments suggestion work.
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Energy can be economically cheap in the current paradigm, while also being insufficiently cheap or insufficient quantities of clean energy to make the above comments suggestion work.