Indoor farming will not be cheaper, efficient, or environmentally friendly. It will be more expensive because it has to supply all of its inputs while outdoor farms get a _massive_ energy subsidy from the Sun. The amount of energy required to deliver food from a farm to the grocery is NOTHING compared to the energy we spend getting it from grocery to table; indoor farming will change none of that. It is a delusional pipe-dream from people who do not understand modern agriculture.