Keith Hovis, writing for the Minnesota Daily, quotes Virajita Singh (Center for Sustainable Building Research) on efficient renewable energy research discussed at the fifth annual E3: Premier Energy, Economic, and Environmental Conference this week in Saint Paul: "Early on it seemed like you had to make a case, propose an economic argument rather than an environmental argument, now it is changing," Singh told Hovis. "[G]iven the economic downturn, how are we going to continue our aggressive efforts?"