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Earth Day

Have you ever thought of the landscape around you as a primary source? Learn how to read your environment to learn about the past with resources created by an environmental historian. FIND OUT MORE »

Learning Resources

Find primary sources on the environment

Video still, George Wright's Legacy, 2009, National Park Service.

Visit this website to learn the history of many of the 384 areas under the [...] »

Map, Map of Grand Canyon National Park, 1926, Library of Congress Geography/Maps

16th-century to present-day maps, focusing on Americana and cartographic [...] »

Photo, Barking Frog, Mark A. Musselman, U.S. Fish and Wildlife Service

The government acts for fauna as well as society. When did this start? Why? [...] »

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Teaching Resources

Browse strategies and lesson plans

Print, Let them grow, 1938, Stanley Thomas Clough, WPA, Library of Congress

Earth Day gives students a chance to consider how human relationships with the [...] »

Watercolors, [View on the Erie Canal.], 1832, J.W. Hill, NYPL

Cutting through New York from the ocean to the Great Lakes, the Erie Canal [...] »

Watch Smithsonian curator Barbara Clark Smith discuss John Smith’s Map of [...] »

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Put your knowledge to the test!

Illustration, "Karpfenschuppige Taube. . . ," 1880s, NYPL

For each pair of animal and plant species, identify the one that is not native [...] »

Map, Captain John Smith's Map of Virginia, 1612

A map can tell you more than east, west, north, and south. [...] »

Photo, Sea Lion performance, c.1971-1982, http://www.floridamemory.com/

How did explorers describe the plants and animals they discovered in America? [...] »

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