Well..I am not sure Cuba is terribly effective with sustainability but there was some pressure to be sustainable and self contained. We could certainly do better if forced to be under such constrained circumstances.
we might end up in the same situation as Cuba...without the ability to import food or have unfettered access to resources and fossil fuel and cheap energy. Not to mention unrealistic demand for food and not enough human labour force or expertise. What then?
We have to automate agriculture. But modern automation should veer in a slightly different direction to minimize and mitigate invisible environmental damage. But we have to do
It's a little bit of bizarro world right now re how we tackle our problems. Somehow the solutions to ag problems only seems to compound it higher.
What got me thinking about Cuba: http://theconversation.com/cubas-sustainable-agriculture-at-...
I must stress that..I do not think we must follow cuba's footsteps but we must study it as a cautionary tale but with a smattering of hope and use our existing system in an advantageous way.