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Expert-reviewed information about the Earth.  For everyone.

    • Biomass Featured Article Biomass Biomass

      Biomass is a term in ecology for the  mass of living organisms in a given ecosystem.  Biomass can refer to the living stock of species in a given habitat, but can... More »

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      The Earth's atmosphere is an envelope of gas that surrounds the Earth and extends from the Earth's surface out thousands of kilometres, becoming increasingly thinner (less dense)... More »

    • European otter Featured Article European otter European otter

      The European otter (Lutra lutra) is a broadly distributed marine mammal found in both marine and freshwater systems over considerable portions of Europe, Asia and North Africa;... More »

    • Flora of Napa County, California Featured Article Flora of Napa County, California Flora of Napa County, California

      Napa County is a rural county in northern California encompassing nearly 500,000 acres (200,000 hectares), about 0.5 % of the landmass of the state. It is located 25 miles (40... More »

    • Panamá Featured Article Panamá Panamá

        Panama is a nation of three-and-a-half million people, located between Costa Rica to the north and Columbia to the south. Panama connects the continental land... More »

    • West Nile Virus Featured Article West Nile Virus West Nile Virus

      Since 1999, more than 30,000 people in the United States have been reported as getting sick with West Nile virus. Infected mosquitoes spread West Nile virus (WNV) that can... More »

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      Jamaican dry forests is an ecoregion that covers a minority of the land area of the nation island of Jamaica, which ranks fifth among the Earth's islands in terms of endemic plant... More »

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Suez Canal, Egypt Last Updated on 2013-05-16 at 22:09 The Suez Canal, Egypt (30°42?18?N, 32°20?39?E) is one of the world's most important waterways and its Sumed Pipeline is considered a significant... More »
Singapore Last Updated on 2013-05-16 at 21:21 Singapore is a small island nation with over five million people, separated from the southern tip of Peninsular Malaysia by the Straits of Jabor. It is the focal point for... More »
Strait of Hormuz Last Updated on 2013-05-16 at 13:16   The Strait of Hormuz (26°34'0.00"N,  56°15'0.00"E) a narrow passageway connecting the Persian Gulf with the Arabian Sea and separating... More »
Oil transit chokepoints Last Updated on 2013-05-16 at 12:45 World oil chokepoints for maritime transit of oil are a critical part of global energy security. About half of the world's oil production... More »
Get Involved with the Encyclopedia of Earth Last Updated on 2013-05-16 at 12:19 We are looking for authors who embrace the Encyclopedia of Earth quality standards, and who are willing to work under your real name in a dynamic, collaborative environment. We... More »
Baltic Sea Last Updated on 2013-05-15 at 22:50 The Baltic Sea is situated between Scandinavia and mainland Europe, and extends into the North Sea.  The sea is split into several smaller basins termed the Gulf of... More »
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