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- Earth and Environment
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- Earth and Environment
Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.
Encyclopedia.com is an online encyclopedia that aggregates information from various sources, including Oxford University Press and Gale. It was launched in 1998 by Infonautics and is now owned by Gale, a subsidiary of Cengage.
Encyclopedia.com offers free access to over 300,000 reference entries from Oxford University Press, Columbia Encyclopedia and more. You can also find related pictures, videos, articles and topic summaries from around the world.
Explore the rich and diverse topics of history from ancient Greece and Rome to modern Europe and the United States. Find facts and information from trusted sources at Encyclopedia.com.
Encyclopedia.com offers in-depth guides to hundreds of topics you use everyday, from business and finance to tax and legal. Find answers to your questions and learn from the original online encyclopedia.
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Explore various topics in science and technology, from astronomy and space exploration to biochemistry and biographies. Find facts and information from trusted sources at Encyclopedia.com.