Tornado Articles

• Marine Biology
  Oceanography
  Fish
  Geography
  Extinction
  Fisheries
   
  

  Dead zone (ecology)

  Dead zones are hypoxic (low-oxygen) areas in the world's oceans, the observed incidences of which have been increasing since oceanographers began noting them in the 1970s. The term could as well ... > more
• Near-Earth Object Impacts
  Earth Science
  Geology
  Earthquakes
  Environmental Issues
  Geomagnetic Storms
   
  

  Impact event

  Impact events are caused by the collision of large meteoroids, asteroids or comets (generically: bolides) with Earth and may sometimes be followed by mass extinctions of ... > more
• Snow and Avalanches
  Natural Disasters
  Severe Weather
  Storms
  Weather
  Geography
   
  

  Avalanche

  An avalanche is a slide of a large snow (or rock) mass down a mountainside, caused when a buildup of snow is released down a slope, and is one of the major dangers faced in the mountains in ... > more
• Renewable Energy
  Energy and the Environment
  Sports Science
  Healthy Aging
  Nuclear Energy
  Sports Medicine
   
  

  Chernobyl disaster

  The Chernobyl disaster was an accident at the Chernobyl Nuclear Power Plant on April 26, 1986 at 01:23 a.m., consisting of an explosion at the plant and subsequent radioactive contamination of the ... > more
• Sustainability
  Nature
  Forest
  Trees
  Rainforests
  Ecology
   
  

  Forestry

  Forestry is the art, science, and practice of studying and managing forests and plantations, and related natural resources. Silviculture, a related science, involves the growing and tending of trees ... > more
• Coral Reefs
  Marine Biology
  Fish
  Sea Life
  Ecology
  Global Warming
   
  

  Artificial reef

  An artificial reef is a man-made, underwater structure, typically built for the purpose of promoting marine life in areas of generally featureless bottom. Artificial reefs may also serve to improve ... > more
• Acid Rain
  Air Pollution
  Pollution
  Air Quality
  Soil Types
  Forest
   
  

  Acid rain

  Acid rain is defined as any type of precipitation with a pH that is unusually low. Dissolved carbon dioxide dissociates to form weak carbonic acid giving a pH of approximately 5.6 at typical ... > more
• Sustainability
  Air Pollution
  Environmental Science
  Pollution
  Air Quality
  Environmental Issues
   
  

  Urban planning

  Urban, city, or town planning is the discipline of land use planning which explores several aspects of the built and social environments of municipalities and communities. In the nineteenth ... > more
• Energy and the Environment
  Wind Energy
  Electricity
  Sustainability
  Water
  Nature of Water
   
  

  Water turbine

  A water turbine is a rotary engine that takes energy from moving water. Water turbines were developed in the nineteenth century and were widely used for industrial power prior to electrical grids. ... > more
• Mammals
  Caving
  Agriculture and Food
  Zoology
  Geography
  Soil Types
   
  

  Mole (animal)

  Moles are members of the family (Talpidae) of mammals in the order Insectivora that live underground, burrowing holes. They have cylindrical bodies covered in fur with small or covered eyes; the ears ... > more

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