Green. >> sarah, what are the most surprising things, feedback when people take the energy austin daye it? what are the biggest surprises that people take away from that? >> well, they're surprised that they have been sitting there with their air conditioner turned, maybe, four degrees too cool and that they could get along perfectly well with changing the thermostat a couple of degrees one way or the other depending on the weather and save a whole bunch of money. another big surprise is people find that the windows are leaking or that if they just planted a shrub near a window for the hot wea...