The winners confronted stigma and health equity in some countries with their tech ideas to help LGBTQI+ youth reach out for help and let women access private OB-GYN care.
Vinisha Umashankar came up with the idea of solar power instead of charcoal to heat street irons. "Iron-Max" was a finalist for Prince William's Earthshot Prize, and this week, she spoke at COP26.
In areas with limited access to clean running water, hand-washing stations can help limit the spread of disease. But experts say not all taps are created equal.
Vietnam's Intergenerational Self Help Clubs encourage older people in the neighborhood to find solutions to their own challenges, whether it's feeling lonely or needing a little extra cash.
