| EarthFair 2010 | April 18 | San Diego, CA - Balboa Park |
| Earth Day | April 22 | |
| Earth Day Contest Congratulations Ceremony | April 24 | Los Angeles, CA - Whole Children, Whole Planet Expo |
| BioBlitz on International Day for Biological Diversity | May 22 | |
| Hike for Health on National Trails Day | June 5 | Los Angeles, CA - Griffith Park |
| Get to Know International Unconference | June 7-9 | Kelowna, BC, Canada - UBC Okanagan |
| World Oceans Day | June 8 | |
| National Get Outdoors Day | June 12 | USA |
| Great American Backyard Campout | June 26 | USA |
| Art and Nature Camp for Contest Winners | August 23-27 | Alberta, Canada - Waterton Lakes National Park |
| National Public Lands Day | September 25 | USA |
| Get to Know Contest LA Launch | October 1 | Los Angeles, CA |
| Get to Know Contest | October 1 - November 30 | USA |
| Get to Know Contest San Diego Launch | October 4 | San Diego, CA |
