A new article by Andy Haines, Elizabeth Wambui Kimani-Murage, and Anya Gopfert, “Strengthening primary health care in a changing climate,” outlines how climate change is already impacting health systems worldwide, with primary health care (PHC) workers bearing the immediate burden of response. Haines and colleagues make a compelling case for strengthening primary health care (PHC) as a cornerstone of climate-resilient health systems.