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Urban greening is a practical adaptation to improve the liveability of a city by providing urban cooling. This paper systematically evaluates the existing literature to understand the methodologies and associated data sources for determining the cooling effect provided by urban greening. A bibliometric analysis, including research focus parallelship network analysis and keyword co-occurrence network analysis using Gephi and BibExcel, was first performed on 156 articles to identify the main resulting research themes in cooling provided by UGAs. Subsequently, 72 of these were selected to extract more information, such as the focus, the measured parameters, the methods, and tools employed to measure cooling parameters, and the studies` scales. The bibliometric analysis identified three emerging themes: (1) on-site measurement to directly collect meteorological data, (2) remote sensing techniques used to …