“I get it!” said the Wealthy Industrialist. “We tell all the fish and frogs to live upstream!” “Not exactly,” said the Frog. “We pass a Law to make you take your fresh water from downstream of the factory, so you become responsible for cleaning up the water after you’ve used it.” “Won’t that involve me in additional cost, thereby impacting my ability to deliver enhanced shareholder value?” said the Wealthy Industrialist, sadly. “Quite,” said the Frog.

And their clothes are great too…