When the costs of multi-generational loss and damage from cryospheric collapse are considered, a firm 1.5°C temperature limit is the inevitable conclusion. This side event explores pathways that will keep us within this non-negotiable Earth system limit, while building resilience and adaptation. Speakers: IPCC AR6, SCAR and ICIMOD scientists, and Parties (Chile, Iceland, Liberia, Nepal, Vanuatu) from the Ambition on Melting Ice high-level group