Conclusion
As a substantial solution to carbon dioxide caused climate change, on sufficient scale to make a difference:
- Artificial Biosequestration may have longer term potential; but
- Geosequestration is impractical as a meaningful solution to the continued use of coal.
Footnotes:
[6](517 kPa = 75 lb/in2) http://en.wikipedia.org/wiki/Carbon_dioxide
[8] U.S. National Institute for Occupational Safety and Health