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Article analysis:

The article is generally reliable and trustworthy, providing a comprehensive overview of the role of urban agriculture as a natural-based solution for addressing various social challenges related to urbanization. The authors have conducted a systematic literature review of 166 academic articles from global northern countries, providing evidence for their claims and conclusions. The authors also provide a comprehensive assessment framework for evaluating the implementation and impact efficiency of UPA, which could be useful for practitioners in this field.

However, there are some potential biases in the article that should be noted. Firstly, the authors focus mainly on global northern countries when discussing UPA, while there is limited discussion about how UPA can address social challenges in global southern countries. Secondly, the authors do not discuss any potential risks associated with implementing UPA such as environmental degradation or displacement of local communities due to land acquisition for agricultural purposes. Finally, the article does not explore any counterarguments or alternative solutions to addressing social challenges related to urbanization other than UPA.

In conclusion, this article provides a reliable overview of the role of urban agriculture as a natural-based solution for addressing various social challenges related to urbanization in global northern countries. However, it should be noted that there are some potential biases in the article such as lack of discussion about global southern countries and potential risks associated with implementing UPA, as well as lack of exploration into alternative solutions or counterarguments to addressing these social challenges other than UPA.