Wu-Jang Huang 2021. Resolution of the M-shape Pattern of the Outdoor Air Temperature Environmental Kuznets Curve (EKC) for Metropolitan Areas in a Country: Using Long-term Monthly Level Data of Taipei City as Empirical Evidence. Global Journal of Human-Social Science. 21, E6 (May 2021), 25–36. DOI:https://doi.org/10.34257/GJHSSEVOL21IS6PG25.