Fortune partnered with AccountAbility, Csrnetwork and Asset4 to rank the world's 100 largest corporations by the quality of their commitment to social and environmental goals. Here's what makes the top 10 stand out.
A collection of 265 rare guitars will go on auction in a few weeks -- including one allegedly strummed by Stephen Stills and others that true connoisseurs consider holy relics. Here's an early look at some of the highlights. More