Taiwan is absent from the United Nations Framework Convention on Climate Change (UNFCCC) and hence from Conference of the Parties (COP) negotiations. The first way in which Taiwan is marginalised within global climate action is through direct exclusion from international negotiations and agreements. Direct Exclusion From Formal International Mechanisms for Climate Change Negotiation In this opinion piece, we illustrate three ways in which Taiwan is marginalised within climate change action, and show why this may be problematic for a comprehensive and evidence-informed global climate response. As we look toward COP26 and the outputs of the IPCC's Sixth Assessment Cycle over 20, it is hence worth reflecting on Taiwan's position in the international community for another global science-policy challenge: climate change. The fact that the country has suffered comparatively few cases of COVID-19 comes in spite of its exclusion from the World Health Organisation platforms for mutual support and knowledge-sharing ( Nelson, 2020). The pandemic has drawn attention to the capability of Taiwan to deliver an evidence-driven response to a complex issue-but also to Taiwan's marginal position in the international community. Even with the first instances of sustained community transmission in 2021, cases and deaths have remained very low in comparison to other nations and outbreaks have quickly been brought under control. Taiwan's response to COVID-19 has brought international recognition.