Questions of sustainability swirl in our heads daily as we go about the business of improving residential landscapes during the drought. At Terrain we’re constantly reevaluating our approach and refining our techniques with an eye toward superior results. Lance and I sat down to chat about some of the things that have popped up in recent weeks and I’ve transcribed our conversation below. Lance: Hey  Nate, I have more and more people asking me each day if replacing their front lawn with artificial turf is a wise…