An option to secure our food supply in the future can be given by vertical farming.
The quite nice idea is that you can perform that type of farming everywhere. And the results what you can grow and harvest are quite amazing.
There are also options to automate the operation of such farms quite a lot with the help of robots, like in plenty of other fields like dressing.
https://www.engadget.com/amp/2018/10/03/future-indoor-agriculture-vertical-farms-robots/
