Easiest way to increase the atmosphere would be to add material though, in this ...

		ryanmercer on July 31, 2018 \| parent \| context \| favorite \| on: Inventory of CO2 available for terraforming Mars Easiest way to increase the atmosphere would be to add material though, in this case comets and asteroids that had significant amounts of ices (and hopefully lots of metals, even meteoric iron would be extremely valuable on Mars as a source of easy to process metal).