All of the contributors to Acting in Time on Energy Policy are affiliated with Harvard University and rank among America's pre-eminent energy policy analysts. They tackle important questions as they pertain to specific areas of energy policy: Why are these components of energy policy so important? How would "acting in time"—i.e. not waiting until politics demands action—make a difference? What should our policy actually be? We need to get energy policy right this time—Gallagher and her colleagues help lead the way.