CASCADES is a multi-year capacity-building initiative to address healthcare’s contribution to the climate crisis. CASCADES strives to support Canada’s health care community to transition toward a sustainable (net-zero, resilient) health system in alignment with the Pan-Canadian Framework on Clean Growth and Climate Change. There is considerable existing capacity for sustainable health care in Canada. Many individuals and organizations already possess sustainability-related knowledge, skills and networks and have tested and implemented multiple sustainable health care practices and policies. CASCADES aims to leverage, support and enhance this capacity. This project was undertaken with the financial support of the Government of Canada. Ce projet a été réalisé avec l'appui financier du gouvernement du Canada.