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A Struggle for Power in China: The Three Gorges Dam

The Three Gorges Dam in China is one of the world's largest hydroelectric dams, providing energy for millions of people. However, the dam's constru ...


An Electrical Storm on the Horizon

In this fictional case study, the state of Oklahoma has profited by giving incentives for companies to build power plants in rural areas of the sta ...


Dredge Today, Restore Tomorrow

In this case study, students role-play members of a task force whose task it is to advise the Director of the National Park Service (their instruct ...


Ethanol or Biodiesel?

In this case study, two students have been asked to conduct a “systems analysis” study to determine whether ethanol derived from corn o ...


Farming in Space

If you were limited to choosing only three crops to sustainably farm in an arid, inhospitable environment, what would they be and how would you dec ...


Farmville Future?

Life has changed for the rural residents of Farmville County since the arrival of four concentrated animal feeding operations (CAFOs); the air has ...


Fishing Midst the Morning Dew

In this case study, “Tatiana,” a college student, introduces psychrometry to her younger brother as she explains the physical phenomeno ...


Get the Lead Out!

This case study, developed for a general chemistry course, is intended to teach students the interdisciplinary nature of environmental science. Stu ...


Global Climate Change: Impact and Remediation

This “clicker case” is a continuation of another case in our collection, “Global Climate Change: Evidence and Causes,” in w ...


Losing the Farm

In this case study, students examine hydrologic characteristics of a real farm property in northwest Georgia and calculate the volume of storm runo ...


No Longer Fond of the Local Pond

When an elementary school teacher calls in sick to work, she finds out that she is not the only one who will be missing school that day.  Chil ...


Oil in the Amazon

In this case study, students participate in a game in which they assume the roles of various stakeholders in a proposed oil and gas proje ...


On a Wing and a Prayer

The essential elements of this dilemma case are based on a real-life wetland mitigation problem. A biologist with the U.S. Fish and Wildlife Servic ...


Salton, A Sea of Controversy

The Salton Sea is an “accidental” lake that receives used irrigation water from the Colorado River. Humans have profoundly altered the ...


The Dangers of Deicing

Loss of species richness is often due to anthropogenic activity. The global decline of amphibians is one such example. This case study examines the ...


The Fate and Transport of Toxic Releases

The release of toxins into the environment and the federal government's tracking of that using the Toxic Release Inventory (TRI) compiled by t ...


The Flint Water Crisis

The water crisis in Flint, Michigan, provides a compelling context for understanding the importance of each of the major classes of chemical reacti ...


The Rocky Mountain Locust

This case explores conservation and social issues associated with the destruction of vast tracts of farmland in the Great Plains in the late 1800s ...


The Water in Weberville

This case study presents a realistic example of drinking water contamination within a fictional local community and leads students through an abbre ...


To Be or Not To Be a Golf Course in Wimberley?

This interrupted case study examines the tensions that a small town in Texas faces between economic development and the preservation of a natural w ...


When Metals Eat Each Other

This case study was written to help students understand metal reactivity and metal incompatibility before they start learning about redox reactions ...