Discover an innovative solution to a critical health issue affecting millions of children in developing countries through this TED talk. Learn about the devastating impact of indoor cooking fires and explore a simple yet effective tool designed by MIT engineer Amy Smith that transforms farm waste into clean-burning charcoal. Gain insights into how this ingenious invention could potentially save millions of young lives by reducing exposure to harmful fumes. Delve into the world of practical engineering solutions that address pressing global challenges and witness the power of simple designs in making a significant impact on public health and environmental sustainability.