The recent recognition by the UN General Assembly and the UN Human Rights Council of the human right to a clean, healthy, and sustainable environment is a powerful new tool to address the human rights impacts of climate change, biodiversity loss and pollution and ensure rights-based environmental action. This Information Note, co-authored by UNDP, OHCHR, and UNEP, unpacks the elements and importance of the right to a clean, healthy, and sustainable environment and outlines how diverse stakeholders can play an active role in making the right a reality for all.