“The flow and flush of waters sustain our own bodies, but also connect them to other bodies, to other worlds beyond our human selves.”
Pondering on the facts of gravity and the fluidity of water shows us that the golden rule speaks to a condition of absolute interdependency and obligation. People who live on rivers – or, in fact, anywhere in a watershed – might rephrase the rule in this way: do unto those downstream as you would have those upstream do unto you. - Wendell Berry
However, a challenge remains — the condition of any stream is a direct expression of the condition of the stream's watershed.