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Vertical Farming: The Only Way Is Up?

The industry is expected to grow to $9.7 billion worldwide by 2026, but can it make a difference?

Hunger is greater than ever. Perhaps not in a literal sense, however hunger for a richer life echoes throughout the world. And the chosen home for a more prosperous life is the city. Across the globe, millions of people have rushed to sprawling metropolises, and by 2030 our urban population may reach 5 billion. A global increase in wealth is fuelling both urbanisation and a future food crisis, with demand expected to increase from 59% to 98% by 2050. This, coupled with a projected world population of 9.7 billion by 2050, could result in deforestation intensifying instead of subsiding, and studies suggest regeneration schemes are lagging. Striking a balance between a greater quality of life and sustainable living is the great challenge of the 21st Century, and these two issues could intersect with the rise of vertical farming.

The modern concept of urban agriculture dates back to the 1990s, however the technology has come to its own within the last decade, with the number of American vertical farms rising to above 2,000. Energy arises from direct sunlight or LED lighting, with shallow trays stacked on top of each other in gigantic greenhouses or urban buildings. Soil is sometimes still used, however methods known as hydroponics and aeroponics normally circulate nutrient-infused water or water vapour towards plant roots. Advanced methods like these are currently restricted to herbs, salads and small fruits, however investors have still been attracted to vertical farming's reduced water and pesticide use. Protection from adverse weather could also secure greater food security for deprived areas, while minimizing CO2 emissions through more efficient transport networks.

How Much Will The Future Cost?

Abu Dhabi hosts the world's largest vertical farm as the region aims to cut down on imports

However like other eco-technologies, vertical farming is plagued by cost issues. Success is

interlinked with energy prices, and the current climate in Europe renders affordable crops almost impossible. Products with premium price points have been strangled by the cost of living crisis, and Dutch-based market leader Infarm has recently announced a 50% reduction cut in its workforce amid a realigned focus on profitability. Refuge may be found in desert climates where certain crops are a scarcity, however its effectiveness as an eco-technology also relies on infrastructure. Fewer CO2 emissions are produced by conventional agriculture than a vertical farm running on traditional energy sources, so it will only truly thrive if renewables thrive. The United Arab Emirates has recently announced backing for four vertical farming initiatives worth $100m, however the country's reliance on fossil fuels means potential greater food security for the region and not much more. Acute difficulties with start-up costs could also hinder development in other emerging economies, with traditional farming's estimated construction costs being 10 times less.

The emergence of developing nations poses questions not only to the existing geopolitical order, but also to environmentalism. World leaders have been quick to accuse the West of hypocrisy over climate change, and Vladimir Putin unfortunately summarized the critique in a 2019 dismissal of Greta Thurnburgh. "People in Africa and in many Asian countries want to be as wealthy as people in Sweden... and people there want to live like in Sweden and nothing can stop them." Vertical farming could remedy both concerns by creating poverty relief and eco-friendly food networks, however institutional awareness and support are key. Despite recent setbacks, investment is still promising however areas such as India and the Middle East need further help to truly establish the technology. When interviewed by Freethink, co-founder of start-up Plenty Dr Nate Storey quipped "Like everything in the world, we can only save our species if it makes economic sense." And right now, vertical farming might not make enough sense to make a difference.



  • Chatterjee, A., Debnath, S.K. and Pal, H.(2020b) Implication of Urban Agriculture and Vertical Farming for Future Sustainability. IntechOpen. Available at:

  • The future of food? Pioneers hail advances in vertical farming (2023b). Available at:

  • Elferink, M. (2019b) Global Demand for Food Is Rising. Can We Meet It? Available at:

  • BBC News (2023b) Deforestation “fast outstripping” regrowth, say Bristol scientists. Available at:

  • Park, W. (2023b) How far can vertical farming go? Available at:

  • Dudley, D. (2023b) Can Vertical Farming Cut The Middle East’s Reliance On Food Imports? Available at:

  • Freethink (2021b) Vertical farms could take over the world | Hard Reset by Freethink. Available at:

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