The pitch for vertical farming had all the promise of a modern venture capital dream: a new way to grow crops that would use robots and artificial intelligence to conserve water, combat food insecurity and save the environment.
But after firms poured billions of dollars into these startups, pushing valuations into the stratosphere, the industry is now facing a harsh new reality: funding is drying up, profits remain elusive, and creditors are circling.
I know an elderly couple who tried their container farm project seriously. The vegetable was great, but wildly expensive compared to the stuff grown conventionally. The labour and resources involved to make it sustainable would still have to be less than conventional agriculture, as long as we live under market capitalism.