It sounds like a nutty idea – sunless, rainless indoor farming under artificial light. Imagine these multi-story indoor greenhouses growing food for the supermarket!
But if special-purpose light emitting diodes (LED lighting) become inexpensive for the frequencies that plants need (and this is likely), then the “top end” of grocery produce seen at the supermarket may be coming from a sunless greenhouse in the future.
The nuttiness of the idea seems to shrivel when a number of factors for indoor produce are considered:
- it uses much less water
- it is instantly transportable, locally, to the produce section
- it can be produced without pesticides
- the produce section would have fresher fruits and vegetables
- it saves existing forest land
- it will become a necessity if world population moves toward 9 billion at mid-century
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