This fascinating Forbes account tells how billionaire Sir Richard Branson has given $3 billion to former President Bill Clinton’s global initiative for rewnewable energy–all the profits from his airline and train business.

That’s certainly an astoundingly large donation. But you don’t have to give on a scale like that to write about how your company participates in charitable activities, or even about various things you do to help your employees. Your corporate blog readers want to know about how your company “is” in the world. Talking about the good things you do is one of many ways to let them know.