even up here in canada, it would not be difficult to create greenhouses to grow coffee in. and, because the process can be mostly automated, the decrease in costs [both in terms of production and in terms of transportation] should actually cut the price.
but, instead of focusing on food security, we're signing global trade agreements that are seeking to cement mercantilist relationships that don't make any sense.
you don't need to listen to the hippies, either. ask investors and major food-producing corporations. they'll tell you the same thing.