A new global initiative, Nexa, has been launched to address the escalating health consequences of climate change, specifically within low-income countries. Announced during London Climate Action Week by Grand Challenges Canada and the Science for Africa Foundation, Nexa will prioritize and fund locally-driven innovations. The initiative focuses on supporting solutions tailored to the unique climate-related health challenges faced by vulnerable communities. Nexa aims to empower local researchers and innovators to develop and implement effective strategies. Details regarding specific geographic focus areas and funding amounts were not immediately available. The program represents a collaborative effort to build resilience and mitigate the health risks associated with a changing climate.