( CNN ) -- A CNN Hero 's journey to global recognition begins with a nomination by someone who 's been touched by their efforts -- someone like you who wants us to share their story with the world . History has shown that great things can happen to those selected as CNN Heroes : . • Andrea Ivory has nearly doubled the amount of free mammograms she 's offered to underserved women in South Florida . • Doc Hendley , of Boone , North Carolina , expanded his sustainable clean-water systems on three continents as well as earthquake-ravaged Haiti . • Dan Wallrath , of Houston , Texas , and his organization , Operation Finally Home , doubled the number of homes they 've built for injured veterans . • Anne Mahlum expanded her Philadelphia running program for the homeless into eight cities across the country . • Jordan Thomas of Chattanooga , Tennessee , has delivered prosthetic limbs to children in three countries . Do you know an everyday person changing the world ? It 's easy to nominate them as a CNN Hero . Here are some suggestions we hope will help you in crafting your nomination . • Think about what makes your hero special . Ask yourself : What makes my nominee unique ? What specific accomplishment has he or she achieved that is truly remarkable ? What impact has their work had on others ? We encourage you to watch videos of previous CNN Heroes to familiarize yourself with the achievements of the inspiring individuals we honor as `` everyday people changing the world . '' • Take a look at our nomination form . We suggest you review the information requested about yourself , your nominee and their work before filling out your submission . • Tell us about your hero ! Take your time and write from the heart . Remember : What you share -- in your own words -- is the most important factor in advancing a nomination for further consideration . You can enter your answers to the essay questions directly on the form , or write them first in a word-processing document and `` cut-and-paste '' them into each answer field . Please note that the information you provide will be used in accordance with our privacy policy . • Click `` Submit . '' If your nomination has been successfully transmitted , you 'll see a `` thank you '' message on your screen . If you provided us with your e-mail address , we 'll also send a confirmation that your nomination has been received . And yes , we read each and every one . That 's it ! Nominations for 2012 CNN Heroes remain open through August 31 , 2012 . Frequently Asked Questions . Q : Who is eligible to be considered as a CNN Hero ? A : Nominations must be in the name of a single individual , at least 13 years of age , whose accomplishment occurred ( or continued ) after September 1 , 2011 . Nominees in the `` Young Wonder '' category must be 25 years of age or younger . Groups and organizations are ineligible for consideration . Self-nominations will not be accepted . Citizens of voided countries are also ineligible . For complete details on eligibility requirements and other rules governing selection of CNN Heroes , please read our Legal Disclosures . Q : How will I know if my hero is selected ? A : Because of the high volume of nominations received , we can not respond individually to each submission . However , if your nomination advances , we will contact you and your nominee through the contact information you provide . Q : What if I do n't know my nominee 's address , e-mail , and telephone number ? A : Please make every effort to provide as much contact information as possible . We require either an email address or telephone number so we may quickly contact your nominee to obtain their permission for consideration as a CNN Hero . Q : May I submit additional supportive information about my nominee ? A : There 's space at the end of the form to provide links to articles or Web sites with more information about your hero . Please do not send additional materials unless requested . Q : May I mail or fax my nomination ? A : No . All nominations must be submitted online through our Web site . Q : What if my nomination form is rejected ? A : When filling out your form , please note that certain information is required . Those fields are marked with an asterisk ( * ) . If you are not certain of your hero 's nationality , select `` Other '' from the country drop-down menu . Likewise , if you 're unsure which category their cause belongs in , just click `` Other . '' CNN is not responsible for technical problems that may prevent your submission from being successfully transmitted . You may wish to first write and save the answers to essay questions in a word-processing document . That way , if you need to re-submit your nomination , you can `` cut-and-paste '' those answers into the form without re-writing them . Q : Can I buy tickets to `` CNN Heroes : An All-Star Tribute '' ? A : Unfortunately , seating is limited and by invitation only . Airdates and times for the global broadcast of `` CNN Heroes : An All-Star Tribute '' will be announced later this year . Have other questions or comments about CNN Heroes ? Contact us .
CNN Heroes are selected after being nominated by someone like you . Here are some suggestions we hope will help you in crafting a nomination . Nominations are being accepted online through August 31 , 2012 .