If extracted and fully oxidized, the water would raise ocean levels maybe 4 cm.
The Earth also includes vast quantities of reduced metals like iron, more than enough to react with all the oxygen in the atmosphere. Perhaps some way could be found to exploit that, at least a little bit.
The Earth also includes vast quantities of reduced metals like iron, more than enough to react with all the oxygen in the atmosphere. Perhaps some way could be found to exploit that, at least a little bit.