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Green spaces have become the most threatened by urban growth, and the decline in these areas is a main cause of environmental and social problems with implications for human health and well-being. Vertical greenery systems have been proposed as a solution to restore the connection between the city and nature, particularly in compact and dense cities, where horizontal space is limited. This paper provides a literature review to examine the influence of outdoor and indoor vertical greenery systems on human health and well-being. The Web of Science and Scopus databases were chosen to survey peer-reviewed documents published until October 2022. A total of 73 documents were selected by the search. Over 71% of the documents were published over the last four years, and most of them focused on the environmental and thermal benefits of vertical greenery systems. Although these benefits could bring health and well-being outcomes, they were not objectively measured and quantified. Other additional gaps and guidelines for future research were also identified and discussed. This review could be helpful for researchers and urban planners in developing vertical greenery to create healthy and more sustainable cities.
Fonseca et al. (Fri,) studied this question.