Urban Wilderness and Parks

Although beautiful, Yellowstone Park has some inherent dangers. An episode of a larger Reactions series explains how the volcanic hot springs in the park affect the pH of the water as well as its temperature. Learners make connections to...

Volcanoes cause mass extinctions, climate change, and physical alterations of our planet. They also create great fossil records, time markers in layers of Earth, and an interesting way to study geology. A video describes how one...

Beautiful site on Yellowstone provides a virtual tour, natural features, native peoples, and reflections on "America's Sacred Wilderness."

Traces the history of the national park idea from its origins at Yellowstone National Park to the conservation ethic of today's park system.

Brainstorm ideas to design a sustainable guest village in the Sonoran Desert. The first installment of a nine-part unit teaches young environmental scientists about the basics of the Saguaro National Park and about sustainable design....

During the 1800s the United States was expanding westward; land was there for the taking.  Kids explore how some early photographers used their photography to influenced the US Congress to save areas like Mirror Lake. They...

Watch videos of Yellowstone from the Smithsonian Channel.

An award-winning architect speaks about the need to rehabilitate underused parking lots, past-their-prime shopping malls, and other structures. She gets us to take a look at successful retrofits and proposes plans to give others a...

Students develop a plan for ecotourism after researching a nearby national park or wild area.

This site from Geographica.com contains information on a variety of parks in Argentina. A description of each follows the name of the park.