Volcano Articles

• Forest
  Rainforests
  Exotic Species
  Tundra
  Geography
  Wildfires
   
  

  Taiga

  Taiga is a biome characterized by coniferous forests. Covering most of inland Alaska, Canada, Sweden, Finland, inland Norway, northern Kazakhstan and Russia (especially Siberia), as well as parts of ... > more
• Caving
  Water
  Drought Research
  Archaeology
  Ecosystems
  Pollution
   
  

  Stalactite

  A stalactite or dripstone, is a type of speleothem that hangs from the ceiling or wall of limestone caves. Stalactites are formed from the deposition of calcium carbonate and other minerals, which is ... > more
• Oceanography
  Geography
  Earth Science
  Water
  Ecosystems
  Ecology
   
  

  Ocean

  Though generally recognized as several 'separate' oceans, these waters comprise one global, interconnected body of salt water often referred to as the World Ocean or global ocean. This concept of a ... > more
• Recycling and Waste
  Environmental Issues
  Hazardous Waste
  Environmental Science
  Sustainability
  Energy and the Environment
   
  

  Recycling

  Recycling is the collection of used materials that would otherwise be waste to be broken down and remade into new products. Similarly, reuse is collecting waste such as food and drink containers to ... > more
• Air Quality
  Air Pollution
  Pollution
  Environmental Science
  Environmental Issues
  Healthy Aging
   
  

  Atmospheric dispersion modeling

  Atmospheric dispersion modeling is the mathematical simulation of how air pollutants disperse in the ambient atmosphere. It is performed with computer programs that solve the mathematical equations ... > more
• Ozone Holes
  Environmental Issues
  Air Quality
  Atmosphere
  Air Pollution
  Pollution
   
  

  Ozone depletion

  Ozone depletion describes the observed loss of ozone in the stratosphere over the past 50 years. It encompasses both a steady thinning of the ozone layer at mid-latitudes and its catastrophic ... > 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
• Trees
  Forest
  Botany
  Rainforests
  Sustainability
  Exotic Species
   
  

  Growth ring

  Growth rings (or "tree rings" or "annular rings") can be seen in a horizontal cross section cut through the trunk of a tree. Visible rings result from the change in growth speed through the seasons ... > more
• Tsunamis
  Natural Disasters
  Albert Einstein
  Quantum Physics
  Earthquakes
  Optics
   
  

  Seismic wave

  A seismic wave is a wave that travels through the Earth, most often as the result of a tectonic earthquake, sometimes from an explosion. There are two types of seismic wave, namely, 'body wave' and ... > more
• Fossils
  Paleontology
  Dinosaurs
  Early Climate
  Early Mammals
  Ecology
   
  

  Trace fossil

  Trace fossils are those details preserved in rocks that are indirect evidence of life. While we are most familiar with relatively spectacular fossil hard part remains such as shells and bones, trace ... > more

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