 The problem here, no soil trenching, no air tilling, no mulch. The roots are in terrible shape. In October, Boston participated in the North American Tree Climbing Championship in Garfield Park, where beforehand, a crew examined all of the trees to make sure they were safe for climbing. We kind of need to do a little less planting and a little more preventative maintenance. On Capitol Hill, Cheyenne Corrine, WTOP News.