Table 6.

Land area requirements for the MgO looping process.

	Lower bound	Upper bound	1 GtCO2
CO2 captured [MtCO2 yr−1]	60	180	1000
Total plot land area [Mha]	0.04	0.11	0.61
Grid electricity land area [ha]	91	286	1,500
Solar electricity land area [ha]	8,300	26,100	138,000
Total land area (grid) [Mha]	0.04	0.11	0.61
Total land area (solar) [Mha]	0.05	0.14	0.75