much lower power bills. during the day we won t turn lights on here to have classes and agentivities during the day. our classrooms are the same way. we don t know we have to turn a light switch on in the classrooms. that is a big savings. we hope. reporter: a wind turbine churns up to 30% of the hospital electricity. mary sweet runs the place. were you skeptical of this idea? initially, yes. i thought it was a gimmick, a way to build back and have people help us. like i mention, it s a road map of a way to follow construction. it s working wonderfully. reporter: all over town, houses are springing up with eco-friendly designs, like this model made of concrete filled with smart utilities feeding off solar cells, a machine that pulse drinking water from humidity in the air and so much more. what s going on up here? up here we have the roof top garden.
electricity, while power and water-saving utilities dominate. mary sweet runs the place. were you skeptical of this idea to begin with? initially i was, yes. at first i thought it was a gimmick. it was a way to build back and have people help us. but like i mentioned, it s just a roadmap of where to follow in construction. reporter: and you think it s working now? it s working wonderful, yes. reporter: and all over townhouses are springing up with eco friendly designs, like this model made with concrete filled with smart utilities feeding off solar cells. a machine that pulls drinking water from humidity in the air, and so much more. what s going on up here? well, up here we have the rooftop garden. reporter: you re going to grow food for the house right up here? yes, absolutely. reporter: the payoff, by most accounts this was a small, dying town before the storm, but with each new stage of the green comeback, it is being reborn. and every day, fewer folks are looking b
we really don t know if we ll have to turn a light switch on during the day in the classrooms. reporter: that s a big savings. we hope. reporter: one of the town s many new wind turbines generates 30% of the new hospital s electricity, while power and water saving utilities dominate. mary sweet runs the place. were you skeptical of this idea to begin with? initially, i was, yes. at first i thought it was a gimmick, build back and have people to help us. like i mentioned, it s a road map of a way to follow in construction. reporter: you think it s working now? it s working wonderfully, yes. reporter: all over town, houses are springing up with eco-friendly designs. like this model played of concrete filled with smart utilities feeding off solar cells, a machine that pulls drinking water from humidity in the air, and so much more. what s going on up here? up here we have the rooftop garden. reporter: you re going to grow food for the house right up here? yes, absolute