Outdoor, Large Patio, Porch, Deck, Pavers Patio, Porch, Deck, and Back Yard Mary Henning and Ann Wansbrough's renovation of a semidetached cottage enables them to use 75 percent less town water than the average two-person home.  Photo 1 of 9 in The First Wave

The First Wave

1 of 9

Mary Henning and Ann Wansbrough's renovation of a semidetached cottage enables them to use 75 percent less town water than the average two-person home.