Chad Pregracke grew up spending all his time either in, on or around the Mississippi and Illinois Rivers. By the time he was 17, he began to realize the extent of the pollution for a river that provided drinking water for 18 million people. At age 23, he founded an organization that has engaged over 87,000 volunteers and taken 8.4 million pounds of garbage from 22 rivers across the United States. And he hasn't stopped there - his organization gives educational workshops, plants trees, removes invasive species... Find out more about this everyday hero.