While spending a summer in Uganda teaching school, Kathy Ku experienced first-hand one of the biggest problems facing Ugandan families today – access to clean drinking water. Teaming up with a fellow Harvard student, she devised a solution.

One idea can change the world. Let it be yours.

Check out the whole series from National Geographic

Credit: Aerial Cinematography, Movi Op, 1st AC
Director: Daniel Addelson
DP: Joshua Z Weinstein
Shot on Arri Alexa Mini