the logo is composed of a leaf (for environment) representing as a counterclockwise arrow (for reuseability), and the yellow orb as the ever powerful sun where we can get solar power. it's in AI file but can be converted to hires PS file if requested w/ no problem at all :)
simillar http://www.home.agilent.com/agilent/home.jspx?cc=US&lc=eng&cmpid=4533