Inspire young conservationists to protect the environment with a short activity on water quality and watersheds. Participants discover the importance of watershed management, learn about water quality problems, and discover possible...

We all need clean air and water. An informative video first describes the causes of water contamination in Flint, Michigan. It then goes on to explain the importance of environmental engineering in clean air, clean water, and waste...

How safe is the drinking water you have access to? Colors, smells, and other factors may lead you to finding out if your water is safe. Watch a video that explains the ways water becomes filtered and ways to know when water is contaminated.

We need softened water to easily clean our homes, our clothes, and our bodies ... but how do you soften hard water? Part six of a 7-video series exploring the world's water resources and issues shows the two most common methods of...

To flush or not to flush ... that is the question. Is the wastewater treatment program in most towns and cities really the most efficient way to deal with waste? The fourth installment in a series of seven videos about the world's water...

With so much water everywhere, how is it that people around the world don't have clean water for drinking and bathing? Part three in a seven-part series describing Earth's water resources introduces the class to the process of water...

How do we know when water is safe to drink? Part seven of a 10-part videos series uses water quality as a platform to explore the behavior of halide ions in solution, Further tests help learners differentiate between precipitates that...

Geologist Dr. Bob Raynolds and space scientist Dr. Ka Chun Yu explain the planetary processes that affect water supplies around the world and in the American West. Aired May 24, 2011. [1:14:41]

In this video from Common Ground and Cleaner Water, Tribby Vice, a Kentucky farmer, talks about the changes he has made on his farm to protect the water quality of the stream running through his property and the watershed in which he...

In this video, a high school teacher and her students construct and install a Hester-Dendy sampler to collect macroinvertebrates. Learn how macro invertebrates can be an indicator of water quality. [3:03]

A video demonstrating how to use macro invertebrates to explore water quality.Follow a high school class on their journey to figure out the water quality in their area. [1:55]

Students test a variety of filter materials to see how well they remove particles and color from contaminated water. [10:26]

A storybook introduces the engineering challenge and context. In this story, Salila, a girl from India, learns about environmental engineering as she designs her own water filter. [15:34]

A scientist discusses her work studying the travel times of pollutants in waterways around Baltimore's Chesapeake Bay, which is on the brink of an environmental crisis. Her research team is trying to understand how this urban water cycle...

A quick, by necessity, discussion of watersheds with a great demo using a very good watershed model (Enviroscape) plus a couple of student tips. [10:04]

The estuary stands as the last barrier between the Pacific Ocean and pollution. Its mix of plants and silt acts as a filter that purifies contaminated inland rain and flood waters before they reach the ocean. [3:47]

Learn about contaminants that can make water unsafe for humans, and of methods being used to purify it, e.g., through flocculation.

Observe a teacher's lesson, and see her introduce the engineering challenge of designing water filters with a picture book. In this story, Salila, a girl from India, learns about environmental engineering as she designs her own water...

[Free Registration/Login Required] Students test water from multiple locations on the Potomac River for dissolved oxygen, nitrates, phosphates, pH levels, salinity, and turbidity. What do these tests tell us about the health of the...

How can engineering improve the lives of millions of people? The people of Bangladesh were getting really sick because of the bacteria that they were getting from their water, which was untreated and dangerous. Amy Pickering decided that...