Dartmouth-Hitchcock Medical Center was one of the earliest health-care organizations in the country to go "green," more than 15 years ago. The commitment at DHMC to environmentally conscious operations hasn't wavered since, and it's now poised to become the first hospital in the nation to calculate its carbon footprint.

Emergency medicine calls for a cool head, but also a deft touch with people: With a dying child's parents. With a patient who thinks he's Jesus. With someone who's slit his own throat but is still alive. Here are some compelling stories from caregivers in perhaps the most harrowing specialty.

A new book by noted medical writer Jerome Groopman, about how doctors make decisions, showcases the diagnostic acumen of Dartmouth Medical School alumnus Myron Falchuk. As this saga reveals, sometimes asking the right questions is more important than having the right answers.