Clean, drinkable water is something most of us take for granted. But millions of people -- 1 in 6, to be precise –- don't have access to clean water.

Sarah Bird decided to do something about that. She founded a company in Pakistan called Saafwater that sells chlorine tablets directly to the public so people can purify their water themselves. What would inspire a young British woman to move to Pakistan and start a water purification company? Host Peggy Wehmeyer invited Sarah onto the show to tell her story.

Music for this show ...