Lead exposure is one of the most urgent yet overlooked development challenges of our time. It affects millions of people worldwide — especially children — causing irreversible health damage and limiting the social and economic progress of communities. But a lead-free world is achievable. This new report, A World Without Lead: Paving the Path to a Healthy, Productive Future, showcases the latest global evidence on the cost of lead exposure and outlines a clear path toward a lead-free world. The findings show that this crisis is both preventable and solvable.