Local Hero: Singer Jack Johnson Is Making Rock ‘N’ Roll Go Green

No one knows balance like a surfer. Former big-wave pro Jack Johnson strikes an equilibrium between music superstardom (more than 18 million records sold to date), family life (the tour for his latest album, To the Sea, out this month, is planned around his kids' school breaks), and the needs of the Earth (his touring profits go to his Johnson Ohana Charitable Foundation for environmental and social initiatives). "No matter how down you get about the world," the 35-year-old Hawaiian says, "you have to jump in and joyfully participate." Here's how he does it.