While urban farmers tout the advantages of their trade, the practice hasn't been scrutinized enough to conclusively say how it impacts a neighborhood, said Zoe Plakias, an assistant professor of agriculture at the Ohio State University.
"Urban ag is very exciting and promising, and we've seen a lot of positive impacts," she said. But "there's definitely a need for more research to better understand" those impacts.
For example: an urban farm can absorb carbon and reduce the greenhouse gases that contribute to climate change. However it's unclear if urban farms absorbs carbon better than urban forests.
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