Even as the techniques of molecular biology have advanced, humans have not yet released a genetically engineered plant that is intended to spread and persist in an unmanaged environment. Biotech trees – genetically engineered or gene-edited – offer just that possibility.

Starting a nursery is one of the only businesses where you really can start with zero capital investment. Seeds, cuttings, root divisions can all be found free in great abundance and planted in dirt. Figure out which plants inspire you the most and start there. Raise 10 or 20 of them and see if you can sell a few.