Pavement to Produce: Revolutionizing Urban Food Systems
The team estimates that regreening 50% of the nation’s parking space would “remove 1.2 million tons of CO2 and manage more than 2 billion m3 of stormwater runoff and mitigate heat retention in urban areas.”
By Michelle Sztupkay
University of San Diego
May 13, 2025
Excerpt:
The team’s journey began as a response to three pressing urban challenges: the urban heat island (UHI) effect, limited access to healthy produce and food insecurity. Their vision is ambitious: to transform cities from pavement-laden landscapes into networks of green, productive spaces that support local economies, improve public health and combat climate change.
The UHI effect occurs when cities experience higher temperatures than surrounding rural areas due to heat-absorbing surfaces, such as asphalt and concrete. With cities growing rapidly, traditional agriculture is becoming “less viable due to space constraints and food supply chains are often vulnerable to disruptions.”
The team estimates that regreening 50% of the nation’s parking space would “remove 1.2 million tons of CO2 and manage more than 2 billion m3 of stormwater runoff and mitigate heat retention in urban areas.” They also discovered that hydroponics — a soil-free farming method that uses nutrient-rich water — uses up to 90% less water than conventional farming, making it ideal for urban areas with water constraints.
With these statistics in mind, Pavement to Produce developed a prototype that proposes regreening parking lots by leveraging hydroponics to transform those spaces into productive green infrastructure. Hydroponics is particularly suited for urban environments with limited space, making it possible to grow fresh food in locations where conventional farming is often not feasible.
Read the complete article here.
Source: https://cityfarmer.info/pavement-to-produce-revolutionizing-urban-food-systems/
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