Water, Wisconsin, and the Mercury Cycle University of Wisconsin Sea Grant Institute

This episode provides an update on encouraging recent developments in mercury policy, both national and international, that hold out hope for reduced mercury levels in the atmosphere. Featured research scientist David Krabbenhoft also shares news about the surprisingly beneficial effect that fracking in the United States has apparently had on levels of measurable mercury in America's air.

In this 2014 update, research scientist David Krabbenhoft explains how improved technology has revealed the hitherto unsuspected role that the thermocline and zooplankton play in methylizing mercury in the deep oceans.

This episode explains why people have used mercury, documenting the history of humanity's understanding of this intriguing metal.

Part one of an engaging non-narrative presentation that vividly relates the challenges of mercury research from the 1960s to the present, told firsthand by the scientists who have been directly involved in the work.

Part two of a non-narrative presentation that vividly relates the challenges of mercury research from the 1960s to the present, told firsthand by the scientists who have been directly involved in the work.

Noted author and conservationist Curt Meine delivers an eloquent essay challenging foundational concepts of water, urging respect for this valuable resource while confirming its rightful place in humanity’s moral and ethical sphere.