This policy brief, “Sustainability in Action: Strategies for Taiwanese Enterprises in a Changing Climate,” sets out key challenges facing Taiwanese enterprises on issues of sustainability and economy, focusing on meeting Taiwan’s goal of reaching Net Zero by 2050. It addresses the key climate change issues of (1) Net Zero Emissions; (2) Renewable Energy; and (3) Just Transition. In 2023, Taiwan passed the Climate Change Response Act, setting out emission reduction measures to reach Net Zero by investing in renewable energy, based on the principle of a Just Transition. Similar to the context of business and human rights, SMEs need specialised assistance. In this policy brief, we also use case studies to highlight the sustainability challenges for businesses and set out some recommendations.