Farming in Cities Worth $33 Billion a Year

What if cities around the world dramatically increased their urban agriculture efforts? A recent study, led by Tsinghua University in Beijing (in collaboration with researchers at Arizona State University; University of California, Berkeley; and University of Hawaii), estimates the potential global value.

Urban agriculture, defined as the growing of crops in and around the perimeter of cities, is implemented at various scales, from local community gardens up to large-scale farms, like the 23-acre Hilltop Urban Farm set to open in Pittsburgh in 2019.