This TV Ontario series studies microscopic and macroscopic geochemistry and the fate of the Earth. The ability of water to dissolve and transport minerals, nutrients and toxins is critical for life; this video looks at water’s chemical and physical qualities, the hydrologic cycle, and at hazards from sewage, pollution and overuse of groundwater. Produced and directed by David Chamberlain and Vlad Goetzelman; narrated by Suzanne Grew Ellis. Closed captioned.