Earth Day is celebrated every year on April 22. Each year, the US Army celebrates Earth Day at approximately 200 major commands, installations and organizations in the continental United States, Alaska, Hawaii, Korea, Japan, Italy and Germany.

• Ansbach Garrison, Germany
• Fort Campbell, KY
• Grafenwoehr Garrison, Germany
• Fort Hamilton, NY
• Fort Knox, KY
• McAlester Army Ammunition Plant, OK
• Camp Parks, CA
• Picatinny Arsenal, NJ
• Fort Polk, LA
• Torii Station, Okinawa, Japan
• U.S. Military Academy, NY