In between sips from his recycled peanut butter jar-turned-water bottle, Colin Beavan described his No Impact Man experiment and passion for the environment. On Wednesday, March 17th, a student-filled lecture hall at Boston College listened intently to his simple mission: to experiment with ways to live a happier, healthier life by doing less harm and contributing more good to the planet. His method was a little bit more difficult: to live for a year with as little environmental impact as possible.