They're your neighbors, your friends, your colleagues, your parents. They are CNN Heroes, each of whom shows how one person can truly make a difference. All of this year's CNN Heroes are selected after being nominated by someone like you. 2014 nominations are being accepted online
through August 31, 2014. This year's campaign culminates with a salute to the Top 10 CNN Heroes of 2014. "CNN Heroes: An All-Star Tribute" airs Sunday, Dec. 7 on the global networks of CNN.