Vertical farming: A tech-driven solution for food security
Average global food prices have gone up by 2.6 percent annually in the past two decades. If that trend continues, not only does it threaten a baseline quality of life as more disposable income goes toward food, it also threatens our overall food security.
Hunger and malnutrition issues persist, especially in developing countries. Food scarcity problems have also been linked to political unrest and violence. According to the United Nations World Food Programme, record-high food prices in 2008 prompted riots in 48 countries, including fragile states like Somalia and Yemen.
Rising food costs reflect underlying trends leading to failures with traditional agriculture. Vertical farming, a technology-driven model of agriculture, may offer a means to address farm output and food security in the years to come, even if it may not impact food prices in the many months ahead.
Vertical farming, a term coined by Dickson Despommier, is the practice of producing food in vertically-stacked layers. These “farms” make use of enclosed structures like warehouses and shipping containers to provide a controlled environment to grow crops in a hydroponic or aeroponic system. Electronic sensors ensure that crops receive the right amount of LED light, nutrients, and heat. The benefits include independence from arable land, year-round growing capacities, less water consumption, and improved crop predictability.
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This article was written by Hult Professor Mark Esposito, Terence Tse, Khaled Soufani, & Lisa Xiong for the Stanford Social Innovation Review
Read the full article, originally published here.
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