Get "green" to get free admission.

Go Green and get FREE admission to the zoo.

Share your green and sustainable actions at myActions.org to support the Columbus Zoo and Aquarium and help us reach "One Million Actions for Planet Earth." This program of Arctic Action Teams, Zoos in the Ohio ValleyRegion will work together to inspire their supporters to share actions, is hoping to total one million actions worldwide by Earth Day 2014. Each action you share triggers a small donation for the Zoo and earns virtual badges and point. Show proof of that youearneda Columbus Zoo and Aquarium Badge and receive FREEadmission to the zoo that day!

http://www.colszoo.org/events/03-15-14/st_patricks_day_at_the_zoo.aspx