History & Biographies
Take a look at the history of the environmental movement and read biographies of pioneers in the field.
- Environmental Milestones Timeline
- Rachel Carson
- George Grinnell
- William Hornaday
- Aldo Leopold
- Wangari Muta Maathai
- John Muir
Information Please® Database, © 2007 Pearson Education, Inc. All rights reserved.
- Did you know?
- In 1955, the federal minimum wage was 75 cents an hour.
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