By Emily Hopkins,
Carmel homeowner Adam Schwarz gives a tour of his property where everything has an environmental purpose. Mykal McEldowney, IndyStar
(Photo: Mykal McEldowney/IndyStar)
Ducks defecate the instant they hit the water.
That little tidbit is something Adam and Emmanuelle Schwarz learned while raising the animals on their Carmel homestead.
The discarded bathtub…