Tornado Articles

• Forest
  Rainforests
  Grassland
  Trees
  Botany
  Biodiversity
   
  

  Savanna

  A savanna or savannah is a grassland with widely spaced trees, and occurs in several types of biomes. In savannas, grasses and trees are co-dominant vegetation types, with trees and grasses often ... > more
• Wind Energy
  Energy and the Environment
  Renewable Energy
  Electricity
  Environmental Science
  Energy Technology
   
  

  Wind turbine

  A wind turbine is a machine for converting the mechanical energy in wind into electrical energy. If the mechanical energy is used directly by machinery, such as a pump or grinding stones, the machine ... > more
• Geology
  Geography
  Earthquakes
  Oceanography
  Earth Science
  Natural Disasters
   
  

  Geology of the Alps

  The Alps form a part of a Tertiary orogenic belt of mountain chains along the southern margin of the continents Asia and Europe, called the Alpide belt. This belt of mountain chains was formed during ... > more
• Volcanoes
  Natural Disasters
  Exotic Species
  Atmosphere
  Air Quality
  Geomagnetic Storms
   
  

  Volcanic ash

  Volcanic ash consists of very fine rock and mineral particles less than 2 mm in diameter that are ejected from a volcanic vent. Ash is created when solid rock shatters and magma separates into minute ... > more
• Pollution
  Air Quality
  Air Pollution
  Environmental Issues
  Environmental Science
  Water
   
  

  Humidity

  Humidity is the concentration of water vapor in the air. The concentration can be expressed as absolute humidity, specific humidity, or relative humidity. Relative humidity is the most frequently ... > more
• Air Pollution
  Acid Rain
  Geochemistry
  Organic Chemistry
  Air Quality
  Healthy Aging
   

  Nitrogen oxide

  NOx is a generic term for the various nitrogen oxides produced during combustion. They are believed to aggravate asthmatic conditions, react with the oxygen in the air to produce ozone, which is also ... > more
• Coral Reefs
  Marine Biology
  Ecology
  Sea Life
  Ecology Research
  Extinction
   
  

  Coral

  Corals are marine animals from the class Anthozoa and exist as small sea anemone-like polyps, typically in colonies of many identical individuals. The group includes the important reef builders that ... > more
• Oceanography
  Floods
  Geography
  Landslides
  Global Warming
  Ecology
   
  

  Coast

  The coast is defined as the part of the land adjoining or near the ocean. A coastline is properly, a line on a map indicating the disposition of a coast but the word is often used to refer to the ... > more
• Global Warming
  Climate
  Environmental Policy
  Environmental Issues
  Environmental Science
  Weather
   
  

  IPCC Fourth Assessment Report

  The Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) is the fourth in a series of reports on climate change. Two of the three reports (Working groups I and II) have ... > more
• Mining
  Pollution
  Healthy Aging
  Energy and Resources
  Attention Deficit Disorder
  Sports Science
   
  

  Lead

  Lead is a chemical element in the periodic table that has the symbol Pb and atomic number 82. Lead has a dull luster and is a dense, ductile, very soft, highly malleable, bluish-white metal that has ... > more

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