Intergovernmental Panel on Climate Change reports published in 2022 classified the Latin America and Caribbean (LAC) region as “highly exposed, vulnerable and strongly impacted by climate change”. To address this existential threat and align economies with the UN Sustainable Development Goals, governments in the region – and globally – are developing sustainability taxonomies at a rapid pace. However, a lack of comparability between national taxonomies creates hurdles for trade and international capital flows towards low-carbon projects.