E Magazine: It all traced back to two summers spent living in a 100-square-foot canvas yurt on an ashram in New York. (A yurt is a tent-like dwelling built around a circular frame that was first used by sheep-herding nomads in central Asia; an ashram is a place of religious retreat.) The experience left Chase Rogers convinced that she was ready to join the growing number of people nationwide who are downsizing for the sake of saving money, minimizing energy use and reducing their carbon …