CNN Heroes Young Wonder, Cash Daniels, is just 16 years old, but has already spent more than half his life dedicated to saving the planet. You can get involved with his Wild Earth Defenders or donate at wildearthdefenders.org. Stream CNN Heroes: An All-Star Tribute now on the CNN app & at CNN.com (Subscription required or log in through your TV provider - U.S. only) #CNNHeroes #YoungWonder #WildEarthDefenders | CNN Heroes

Anderson Cooper shows how you can help any or all of this year's Top 5 CNN Heroes by donating via Pledge at CNN.com/Heroes. You can also scan the QR code in this story, or text HEROES to 707070 (in the United States). Right now, through January 4th, donations are matched dollar for dollar by The Elevate Prize Foundation up to a total of $50,000 per hero. Help our heroes help others! #CNNHeroes #SouthsideBlooms #IndianaPrisonWritersWorkshop #FirstResponderTherapyDogs #EveryDayAction #AnimalRescue

Possibly one of our favorite moments from this year’s CNN Heroes – Kerith the Golden Retriever meeting Anderson Cooper onstage with Top 5 CNN Hero Heidi Carman. Learn more about First Responder Therapy Dogs and donate while dollar-for-dollar matching is in effect from the Elevate Prize Foundation at CNN.com/Heroes #CNNHeroes #firstrespondertherapydogs #keriththegoldenretriever | CNN Heroes