Access to clean drinking water is vital. This “Bright Idea” explores a surprisingly simple and frugal solar-powered method to purify water, making it safe for consumption. We’ll discuss basic principles like solar disinfection (SODIS) and how simple solar stills can be constructed with common materials. Learn how the sun’s energy can be harnessed not just for light, but for life-saving clean water, offering a sustainable solution for communities where clean water sources are scarce.