Water is a resource precious to so many people for so many reasons. Reckless use and abuse of this treasure can leave all at the mercy of diseases and scarcity. This segment of a WPSU documentary Liquid Assets describes how the rule of...

What is the Clean Water Act? Have historical interpretations of its scope changed over the years? What are the practical effects of those interpretations on the environment, farmers, and landowners? How is this issue relevant today?...

This video segment adapted from FRONTLINE: "Poisoned Waters" explains how the Potomac River, like many other rivers, serves as both a drinking water supply and a dumping ground for wastewater. With proper processing, a water recycling...