Learn more about Earth Day

Earth Day

Earth Day is observed on April 22nd. Find conservation tips, facts about the environment, the history of the environmental movement, and more.

Environmental Protection Timeline

Top Oil Producers and Consumers

Most Polluted Places in the United States


Have Your Say

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Infoplease Sources

  • Video Library

    A large collection of informational and educational videos from animals and landmarks to language arts and history.

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    A vast compendium of statistics and up-to-date facts and figures, on everything you need to know.

  • Dictionary

    An unabridged dictionary from aalii to zymurgy, including a pronunciation guide.

  • Atlas

    An atlas featuring maps and detailed profiles of all 193 countries and the 50 U.S. states.

  • Encyclopedia

    A current and comprehensive encyclopedia covering all the major branches of knowledge from astrophysics to Zimbabwe.


Biography of the day