Tundra Articles

• Organic
  Soil Types
  Botany
  Agriculture and Food
  Endangered Plants
  Sustainability
   

  Organic lawn management

  Organic lawn management is the practice of establishing and caring for a garden lawn without the use of chemical inputs such as pesticides or artificial fertilisers. The garden lawn is a place where ... > more
• Sun
  Geomagnetic Storms
  Solar Flare
  Renewable Energy
  Atmosphere
  Northern Lights
   
  

  Solar radiation

  Solar radiation is radiant energy emitted by the sun, particularly electromagnetic energy. About half of the radiation is in the visible short-wave part of the electromagnetic spectrum. The other ... > more
• Soil Types
  Organic
  Fungus
  Acid Rain
  Landslides
  Agriculture and Food
   
  

  Soil

  Soil is material capable of supporting plant life. Soil forms through a variety of soil formation processes, and includes weathered rock "parent material" combined with dead and living organic matter ... > more
• Earth Science
  Geology
  Near-Earth Object Impacts
  Earthquakes
  Environmental Issues
  Geomagnetic Storms
   
  

  Earth

  Earth often referred to as the Earth, Terra, the World or Planet Earth, is the third planet in the solar system in terms of distance from the Sun, and the fifth largest. It is also the largest of its ... > more
• Climate
  Weather
  Atmosphere
  Severe Weather
  Geography
  Global Warming
   
  

  Atmospheric circulation

  Atmospheric circulation is the large-scale movement of air by which heat is distributed on the surface of the Earth. The wind belts and the jet streams girdling the planet are steered by three ... > more
• Geography
  Global Warming
  Severe Weather
  Hurricanes and Cyclones
  Ice Ages
  Climate
   
  

  Antarctica

  Antarctica is the continent at the extreme southern latitudes of the Earth, containing the South Pole. It is surrounded by the Southern Ocean and divided in two by the Transantarctic ... > more
• Soil Types
  Water
  Food and Agriculture
  Agriculture and Food
  Environmental Issues
  Drought Research
   
  

  Irrigation

  Irrigation (in agriculture) is the replacement or supplementation of rainfall with water from another source in order to grow crops. The water source for irrigation may be a nearby or distant body of ... > more
• Fossils
  Paleontology
  Evolution
  Early Mammals
  Dinosaurs
  Charles Darwin
   
  

  Fossil

  Fossils are the mineralized or otherwise preserved remains or traces (such as footprints) of animals, plants, and other organisms. The totality of fossils and their placement in fossiliferous ... > more
• Climate
  Global Warming
  Renewable Energy
  Sports Science
  Petroleum
  Energy and Resources
   
  

  Methane

  Methane is a significant and plentiful fuel which is the principal component of natural gas. Burning one molecule of methane in the presence of oxygen releases one molecule of CO2 (carbon dioxide) ... > more
• Soil Types
  Organic
  Exotic Species
  Invasive Species
  Agriculture and Food
  Geography
   
  

  Earthworm

  Earthworm is the common name for the larger members of the Oligochaeta (which is either a class or subclass depending on the author) in the phylum Annelida. Earthworms travel underground by the means ... > more

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