Howard FischerUppsala, Sweden “Water, water everywhere/Nor any drop to drink.”– The Rime of the Ancient Mariner, Samuel Taylor Coleridge (1772–1834) In the year 2020, 4.5 billion people flew on commercial aircraft. The previous year saw US airlines carry over 900 million passengers, and only 13% of Americans had never flown on a plane.1 Water is…