Voting is now open for CNN's Hero of the Year. The top ten CNN Heroes include a group that could be your neighbors, your family or your friends. Each show how one person can make a difference. You can vote at CNNHeroes.com.

Anderson sat down with Chad Pregracke, of East Moline, IL, immediately after revealing his selection as 2013 CNN Hero of the Year.

Pregracke has dedicated his life to cleaning up the Mississippi River and other American waterways. Since 1998, nearly 70,000 volunteers have helped Pregracke and his non-profit remove more than 7 million pounds of garbage from 23 rivers across the country.

“CNN Heroes: An All-Star Tribute” re-airs this Saturday, Dec. 7 at 9pm ET/PT.

For decades, Georges Bwelle watched his father suffer, unable to get the medical attention he needed.  Now a doctor himself, Bwelle travels into the jungles of his native Cameroon nearly every weekend - providing free medical care for those who don’t have access to good health care.

One of this year’s Top 10 Heroes will become the ‘CNN Hero of the Year’ and awarded $250,000 to continue their work.

You can vote once a day, every day at www.cnnheroes.com  through Sunday, November 17.

Estella Pyfrom used her life savings to create “Estella’s Brilliant Bus,” a mobile computer lab that provides computer-based tutoring for low-income children and adults in Palm Beach County. Since 2011, thousands of students have benefitted from her bus.

One of this year’s Top 10 Heroes will become the ‘CNN Hero of the Year’ and awarded $250,000 to continue their work.

You can vote once a day, every day at www.cnnheroes.com  through Sunday, November 17.

Chad Pregracke has made it his life’s work to clean up the Mississippi River and other American waterways. Since 1998, nearly 70,000 volunteers have helped Pregracke and his nonprofit remove more than 7 million pounds of garbage from 23 rivers across the country.

One of this year’s Top 10 Heroes will become the ‘CNN Hero of the Year’ and awarded $250,000 to continue their work.

You can vote once a day, every day at www.cnnheroes.com  through Sunday, November 17.

More than 72,000 people in Charlotte, North Carolina lack access to fresh produce.  When Robin Emmons discovered this problem, she turned her backyard into a garden.  Since 2008, she’s grown more than 26,000 pounds of fruits and vegetables for area residents.

One of this year’s Top 10 Heroes will become the ‘CNN Hero of the Year’ and awarded $250,000 to continue their work.

You can vote once a day, every day at www.cnnheroes.com  through Sunday, November 17.