>>13681022In exchange for factories and mines to produce the solar panels and machines required for the process, landfill space for all the broken parts that will be replaced over the years, and the stricter education requirements of scientists and engineers, as opposed to common farmers.
The only way I see this could be worth the effort is a shortage of arable land, which is not really a problem earth is likely to face in the next century or two. Maybe this process could prove valuable for space colonization though, that would be interesting.