( CNN ) -- For their extraordinary efforts to help change the world and better the lives of others , 10 everyday people will receive $ 50,000 and a chance for much more . This select group -- the top 10 CNN Heroes of 2012 -- will be revealed at noon Thursday on CNN.com . All the top 10 were nominated by CNN 's global audience and profiled earlier this year on CNN . They will be honored at `` CNN Heroes : An All-Star Tribute , '' a globally broadcast event that airs live December 2 at 9 p.m. ET/6 p.m. PT . At the tribute show , hosted by Anderson Cooper in Los Angeles , one of the top 10 will be named CNN Hero of the Year and receive an additional $ 250,000 to continue their work . The Hero of the Year is decided by a public vote . Starting at noon , you will be able to vote for your favorite Hero at CNNHeroes.com or from your mobile device . Voting ends November 28 . Last year 's Hero of the Year , Robin Lim , was recognized for her efforts to help thousands of poor Indonesians have a healthy pregnancy and birth . Through her Bumi Sehat health clinics , Lim offers free prenatal care , birthing services and medical aid in Indonesia , where many families can not afford care . `` I found that if you have a good idea and you do it with love , a lot of people want to help you , '' Lim told Cooper after the show . This is the sixth year CNN has conducted its annual search for CNN Heroes . In those years , the campaign has profiled more than 180 people on CNN and CNN.com . Click here to see all the remarkable Heroes who have been featured this year .
The top 10 CNN Heroes of 2012 will be announced Thursday at noon on CNN.com . They will be honored at ` ` CNN Heroes : An All - Star Celebration , '' which occurs on December 2 . Who will be Hero of the Year ? You can cast your vote starting at noon .