| Earth Day (Green Apple Music Fest) |
The Lincoln Park Zoo | Chicago | April 20 | April 20 |
| Earth Day (Green Apple Music Fest) | Fair Park | Dallas | April 20 | April 20 |
| Earth Day (Green Apple Music Fest) | City Park | Denver | April 20 | April 20 |
| Earth Day (Green Apple Music Fest) | Santa Monica Pier | Los Angeles | April 20 | April 20 |
| Earth Day (Green Apple Music Fest) | Bicentennial Park | Miami | April 20 | April 20 |
| Earth Day (Green Apple Music Fest) | Central Park | New York | April 20 | April 20 |
| Earth Day (Green Apple Music Fest) | Golden Gate Park | San Francisco | April 20 | April 20 |
| Earth Day (Green Apple Music Fest) | National Mall | Washington, DC | April 20 | April 20 |
| Earth Day 15 | Tinker Field | Orlando, FL | May 10 | May 10 |
| Earth Day Asheville | Orange Peel | Asheville, NC | April 22 | April 22 |
| Earth Day Expo 2008 | Los Angeles Zoo and Botanical Gardens | Los Angeles | April 19 | April 19 |
| Earth Day Savannah Wheelie | Historic Downtown Bikeway | Savannah, GA | April 19 |
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| EarthWalk/EarthFest |
| Shawnee Mission Park | Shawnee, KS |
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| EcoFest | The bandshell, Central Park | New York, NY |
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| Green Festival | Navy Pier | Chicago, IL | May 17 | May 18 |
| Green Festival | San Francisco Concourse Exhibition Center | San Francisco, CA | November 14 | November 16 |
| Green Festival | Washington State Convention & Trade Center | Seattle, WA | April 12 | April 13 |
| Green Festival | Washington D.C. Convention Center | Washington, DC | November 8 | November 9 |
| Grow Hawaiian Fest | Big Island, Bishop Museum | O’ahu | April 26 | April 26 |
| Healthy Planet, Healthy You | Landa Park | New Braunfels, TX | April 26 |
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| Shelton Clean Sweep | all over the city | Shelton, CT | April 22 |
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| South Los Angeles Earth Day Festival | Baldwin Hills Crenshaw Plaza | Los Angeles | April 19 |
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