Rate This

Average: 4.3/5

Recent Comments

Greg Osmond
May 10, 2013 09:05PM

I was watching two Minke whales for one hour today near my home in Woody Point, ...
Melvin Lusterio
May 09, 2013 08:05PM

The Good Force be with you! Well done, Team Curiosity! Keep it up! Live fo...
shaymaa elgbaly
May 09, 2013 01:05AM

amazing !
C Michael Hogan
May 08, 2013 09:05PM

Documentation on the Seine barges in the 17th century is scant, but apparently m...

New Members

mary rowley
May 25, 2013
Anil Maji
May 25, 2013
Web Guru
May 25, 2013
Prosper Chimange
May 25, 2013
Suruchi Sharma
May 25, 2013

 
Expert-reviewed information about the Earth.  For everyone.

    • 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 »

    • Serengeti Featured Article Serengeti Serengeti

      The Serengeti is a plain immediately south of the equator in eastern Africa covering over 30,000 square kilometers (12,000 square miles) east of Lake Victoria in northwestern... More »

    • 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 »

    • 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 masses of... More »

    • Ecological pyramids Featured Article Ecological pyramids 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 »

    • Jamaican dry forests Featured Article Jamaican dry forests 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 »

    • Virus Featured Article Virus Virus

      A virus is a microscopic organism that can replicate only inside the cells of a host organism. Most viruses are so tiny they are only observable with at least a conventional... More »

    • Herbivore Featured Article Herbivore Herbivore

      Introduction A herbivore is an animal that obtains its energy and nutrients by feeding on plants.  Different types of herbivores eat different plant parts.  For... More »

Recently Updated
Western Java rainforests Last Updated on 2013-05-25 at 23:43 The Western Java rainforests are found on one of the most active volcanic islands in the world. Once the home of the extinct Javan Tiger (Panthera tigris sondaicus), these... More »
Temperate rainforests Last Updated on 2013-05-25 at 21:50 This article draws upon the work of numerous writers, published by Ecotrust in the cited works below, and was also contributed to by Malka Geffen of Ecotrust.... More »
Fossil fuel Last Updated on 2013-05-25 at 21:07 Introduction Fossil fuel is any naturally occurring carbon compound found in the Earth's crust that has been produced by anaerobic conditions and high... More »
Rooftop runoff contamination Last Updated on 2013-05-25 at 19:49 [The lead author of this article is Dennis Lye] Rooftop runoff contamination is receiving increasing attention as environmental and health issues, particularly as human... More »
Niger River Last Updated on 2013-05-25 at 17:50 The Niger River is the third largest river in Africa, and the fourteenth longest river in the world. Rising in the Guinea Highlands, the river flows 4,200 kilometres through... More »
Northwestern thorn scrub forests Last Updated on 2013-05-25 at 15:23 The Northwestern thorn scrub forests ecoregion represents a large expanse of degraded dry forest surrounding the Thar Desert. Neither exceptionally species-rich nor high in... More »
  • Articles Articles
  • Blog Blog Posts
  • Gallery Galleries
  • News News
  • Resources Resources
  • Media Videos
  • Include Content from all Sub-Sections
Type Title Author Date
Retrieving data...