Taiwan is not an official member of the United Nations but has been actively addressing climate change along with the United Nation Framework Convention on Climate Change (UNFCCC). It announced its official target in 2015, following the Paris Agreement, and submitted it to the secretariat of the UNFCCC. In March 2022, it further released its Net-Zero Emissions Roadmap and Strategy. Thus, the question emerges: why is Taiwan eager to address these issues? This article outlines three possible motivations, namely, climate impact, international participation, and economic development.