Coffee is a daily necessity for many of us, savored quietly in the kitchen, downed at work as a mid-afternoon pick-me-up, or sipped at a cafe among friends. With the exploding popularity of coffee in recent years, there are more options than ever, and more confusing messages about what "sustainable" means. Which coffee should we choose? In the Bay Area, you won’t find any coffee farms, but you will find local artisan roasters who are grappling with these questions, selecting their beans not only for quality and taste but also for values.