Programming note: Join CNN anchors and correspondents for “Champions for Cha
PHOTO:
CNN
Carl Ship, left, West End House volunteer, and CNN's John Berman.
Now playing
05:04
Meet some amazing volunteers who help new immigrants
PHOTO:
CNN
Kentucky recovery culture champions for change vpx _00020109.jpg
Now playing
04:10
Man 'headed for death' says he was saved by this
PHOTO:
CNN
Now playing
03:47
This autonomous and solar-powered system is cleaning rivers
PHOTO:
Tamara Wilson/CNN
Now playing
04:02
Media company combats stereotypes through comic books
PHOTO:
CNN
Lual Mayen
Now playing
03:10
How this man is using a video game to help refugees
PHOTO:
CNN
Champions for Change Carla Gautier Puerto Rico
Now playing
04:08
How an architect is using shipping containers to rebuild Puerto Rico
PHOTO:
CNN
In July, Nona Yehia, CEO and co-founder of Vertical Harvest, announced a second vertical farm in Westbrook, Maine. The second Vertical Harvest will be five times larger than the original Wyoming farm and will open in 2022.
Now playing
03:23
How a Wyoming farmer grows 10 acres of food on a tenth of an acre
PHOTO:
CNN
Now playing
03:33
'Tools and Tiaras' program introduces girls to construction trades
Now playing
03:18
Program employs over 5,000 homeless people in California
Now playing
03:28
Surgeon allows patients to pay by volunteering
PHOTO:
CNN
Now playing
05:00
Offering shelter from a violent world
PHOTO:
CNN
CNN's Poppy Harlow shares a moment with Boston bombing survivor Heather Abbott.
Now playing
05:08
Boston bombing survivor helps amputees lead better lives
tease promo champions for change 2019 _00004402.jpg
Now playing
04:37
This program is preparing underserved youth for success
tease promo champions for change 2019 _00004828.jpg
Now playing
05:04
He jumped off the Golden Gate Bridge and survived
PHOTO:
Jeni Stepanek
Now playing
05:38
A young poet's call for peace continues to inspire
PHOTO:
CNN
Now playing
04:55
Ex-foreign fighter turns youth away from life of terrorism
john berman champions for change pkg vpx_00042301.jpg
Now playing
05:15
This man is bridging social gaps with the power of song
PHOTO:
CNN
Now playing
05:24
His friend died reporting on the front lines. He took action
PHOTO:
CNN
Now playing
05:15
One explorer's quest to find the secret of a long life
PHOTO:
CNN
Now playing
04:13
Killer Mike reflects on race and his activism efforts
PHOTO:
Bryan D. Kane/CNN
Now playing
05:17
A Parkland massacre survivor's call to action
Now playing
01:23
CNN anchors: Challenging status quos alter history
Now playing
01:56
CNN anchors on uncommon approaches to their lives and careers
PHOTO:
CNN
Now playing
04:49
Offering homeless people a lifeline
PHOTO:
CNN
Now playing
05:41
CNN's Dr. Sanjay Gupta works to feed the hungry
PHOTO:
CNN
Now playing
04:40
Helping promising students gain opportunities
cooper orphans haiti champions_00042013.jpg
Now playing
05:16
Anderson Cooper on how to help orphans in Haiti
burnett safe horizon champions_00050014.jpg
Now playing
05:08
Safe Horizon helps domestic abuse victims
blitzer alzheimers drug champions_00035113.jpg
Now playing
04:39
Wolf Blitzer's late mother inspired him to give back
baldwin space camp champions _00010828.jpg
Now playing
04:58
A CNN Space Camp grad returns for a taste of NASA training
bolduan every mother counts champions _00023426.jpg
Now playing
05:00
Mothers and babies should have a fighting chance
PHOTO:
CNN
Now playing
05:04
Helping every child find their smile
candlelighters cabrera champions _00033109.jpg
Now playing
04:45
Ana Cabrera's family crisis leads to Candlelighters NYC
PHOTO:
CNN
Now playing
04:37
The healing power of horses
Now playing
01:24
Dr. Sanjay Gupta: 'Do something that scares you'
PHOTO:
CNN
Now playing
01:26
Revealing your biggest fears
Now playing
01:19
Why rule breakers rule
PHOTO:
CNN
Now playing
00:50
CNN anchors explain how to disrupt status quo
Now playing
01:07
Personal mottos that inspire excellence
PHOTO:
CNN
Now playing
07:18
Keeping working police dogs safe
PHOTO:
Eduardo Munoz Alvarez/Getty Images
Demonstrators march as they take part in an anti-Trump "March for Truth" rally on June 3, 2017 in New York City.
Now playing
00:47
Dr. Gupta: 'Everything hinges on the truth'
Now playing
05:59
Enacting change in 'a place forgotten'
PHOTO:
Eduardo Munoz Alvarez/Getty Images
Demonstrators take part in an anti-Trump "March for Truth" rally at Foley Square on June 3, 2017 in New York City. The sign in Russian reads, "Government of Laws, not men" - John Adams.
Now playing
00:59
One conversation we all need right now
Now playing
04:39
Providing mentorship for thousands of kids
champions for change don lemon_00000528.jpg
Now playing
06:48
Young warriors fighting cancer
Now playing
00:47
Dr. Sanjay Gupta reveals his life priorities