4/18/2012 - More than 25 base and local organizations participate in 12th Annual Vandenberg Earth Day event displaying their environmental awareness information here Wednesday, April 18, 2012. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/18/2012 - enior Airman Kathryn Tichawa, a 9th Space Operations Squadron member, views a display during an Earth Day event here Wednesday, April 18, 2012. More than 25 base and local organizations participated in this environmental awareness campaign. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/18/2012 - eam V members view displays during an Earth Day event here Wednesday, April 18, 2012. More than 25 base and local organizations participated in this environmental awareness campaign. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/18/2012 - embers of the 30th Civil Engineer Squadron Energy Office provide information on energy awareness during an Earth Day event here Wednesday, April 18, 2012. More than 25 base and local organizations participated in this environmental awareness campaign. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/18/2012 - illiam Russell finds a fossil during an Earth Day event here Wednesday, April 18, 2012. More than 25 base and local organizations participated in this environmental awareness campaign. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/18/2012 - ob Peterson, a 30th Civil Engineer Squadron archaeologist, shows Jackson and Heather Smith, Air Force dependents, how he digs for artifacts on base during an Earth Day event here Wednesday, April 18, 2012. More than 25 base and local organizations participated in this environmental awareness campaign. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/18/2012 - wendolynn Brown, an Air Force dependent, paints on a recycled cubicle partition during an Earth Day event here Wednesday, April 18, 2012. More than 25 base and local organizations participated in this environmental awareness campaign. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/18/2012 - randi Lytle, a Balfour Beatty LifeWorks coordinator, creates a miniature greenhouse out of recycled material during an Earth Day event here Wednesday, April 18, 2012. More than 25 base and local organizations participated in this environmental awareness campaign. (U.S. Air Force photo/Staff Sgt. Andrew Satran)

4/18/2012 - uentin Brown, an Air Force dependent, paints on a recycled cubicle partition during an Earth Day event here Wednesday, April 18, 2012. More than 25 base and local organizations participated in this environmental awareness campaign. (U.S. Air Force photo/Staff Sgt. Andrew Satran)