Expert-reviewed information about the Earth. For everyone.
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Featured Article
Ecological pyramids
Ecological pyramids are diagrams that illustrate how ecologically important factors, such as energy, biomass, and population size, vary between trophic levels in an ecosystem.... More »
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Featured Article
Jamaican dry forests
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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Featured Article
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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Featured Article
Dudleya cymosa (Lem.) Britt. & Rose
Dudleya cymosa (Lem.) Britt. & Rose is a perennial low-growing succulent plant species that is endemic to California. Having a number of subspecies, this fleshy plant is... More »
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Featured Article
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 »
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Featured Gallery
Cabo de Gata-Nijar Natural Park, Andalucia,...
Cabo de Gata-Nijar Natural Park lies along the Alboran Sea of the Mediterranean coast of Andalucia, Spain. The most arid area in the entirety of Europe, it boasts varied... More »
Andaman Islands rainforests
Last Updated on 2013-05-22 at 21:38
Located between the Bay of Bengal and the Andaman Sea, between India to the west and Myanmar to the east, the Andaman Islands are affiliated with both countries in... More »
Fair Trade for Agriculture in Ethiopia
Last Updated on 2013-05-22 at 21:13
Brief Introduction of Fair Trade
While no officially accepted definition exists, fair trade is widely recognized as a certification to represent a good that was produced... More »
Cuban moist forests
Last Updated on 2013-05-22 at 20:46
The Cuban moist forests originally held exceptionally distinctive insular flora and fauna, with many species, genera and families unique to its forests in the form of relict... More »
Valdivian temperate forests
Last Updated on 2013-05-22 at 01:13
The Valdivian temperate forests and the more hygrophilous vegetation of the Mediterranean area of central Chile, represent a true biogeographic island separated from... More »
Northeastern Congolian lowland forests
Last Updated on 2013-05-22 at 01:09
The Northeastern Congolian lowland forests contains endemic species and large areas of forest wilderness with intact animal and plant assemblages. Endemic species include the... More »
Central Pacific coastal forests
Last Updated on 2013-05-22 at 00:59
The Central Pacific Coastal Forests stretch from southern Oregon to the northern tip of Vancouver Island. Major habitats of this diverse region include sea stacks, sandy... More »
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