Further, with current technology, the required deployment would require building approximately 30,000 factories, with significant resource implications, including the carbon footprint of mining, refining, and manufacturing the required metals and concrete.
DAC companies can undermine the benefits of DACCS by selling CO2 for purposes such as pumping it into declining oil wells to increase output, which can prolong the fossil fuel industry. Currently, there is no carbon price anywhere in the world large enough to make sequestration financially viable.