Air Force launches Earth Day facebook page Published April 5, 2012 28th Bomb Wing Public Affairs ELLSWORTH AIR FORCE BASE, S.D. -- The Air Force recently launched a new Facebook initiative for Earth Day titled Blue Acts of Green. The website gives all Airmen and their families the chance to link their every-day actions at work and at home to environmental impacts. To get involved with Earth Day activities, visit www.facebook.com/blueactsofgreen.