Contributions of urban green spaces for climate change mitigation and biodiversity conservation in Dessie city, Northeastern Ethiopia ABSTRACT Scientific studies about the role of urban green spaces (UGSs) in biodiversity conservation and climate change mitigation are limited in developing countries. Therefore, the aim of this study was to assess the role of UGSs in biodiversity conservation and climate change mitigation. Using a systematic sampling method a total of 137 sample plots of various sizes were laid per cluster. The analysis of variance (ANOVA) was undertaken among clusters using the Honestly Significant Difference (HSD) test at a 5% level of significance. A total of 127 woody species belonging to 58 families and 99 genera were recorded. Of the total species, 7 (5.51%), 34 species (26.77%), and 86 (67.72%) were endemic, exotic, and indigenous to Ethiopia, respectively. The presence of threatened or endangered trees in Ethiopia, such as Hagenia abyssinica and...