Ozone Depletion Articles

• Caving
  Acid Rain
  Geography
  Geology
  Oceanography
  Water
   
  

  Limestone

  Limestone is a sedimentary rock composed largely of the mineral calcite (calcium carbonate: CaCO3). Limestones often contain variable amounts of silica in the form of chert or flint, as well as ... > more
• Forest
  Rainforests
  Trees
  Sustainability
  Soil Types
  Ecology
   

  Old growth forest

  Old growth forest, sometimes called late seral forest or ancient forest or primary forest is an area of forest that has attained great age and exhibits unique biological features. Old growth forests ... > more
• Air Pollution
  Acid Rain
  Geochemistry
  Organic Chemistry
  Soil Types
  Organic
   
  

  Nitrogen

  Nitrogen is the chemical element in the periodic table that has the symbol N and atomic number 7. Nitrogen constitutes 78 percent of Earth's atmosphere and is a constituent of all living tissues. ... > more
• Environmental Policy
  Fish
  Earthquakes
  Marine Biology
  Environmental Issues
  Sea Life
   
  

  Rachel Carson

  Rachel Louise Carson (May 27, 1907 - April 14, 1964) was a Pittsburgh, Pennsylvania-born zoologist and biologist whose landmark book, Silent Spring, is often credited with having launched the global ... > more
• Rainforests
  Trees
  Forest
  Wildfires
  Nature
  Sustainability
   
  

  Logging

  Logging is the process in which trees are felled (cut down) usually as part of a timber harvest. Timber is harvested to supply raw material for the wood products industry including logs for sawmills ... > more
• Earthquakes
  Geology
  Natural Disasters
  Tsunamis
  Geography
  Earth Science
   
  

  Plate tectonics

  Plate tectonics is a theory of geology developed to explain the phenomenon of continental drift and is currently the theory accepted by the vast majority of scientists working in this area. In the ... > more
• Global Warming
  Climate
  Ice Ages
  Oceanography
  Snow and Avalanches
  Geography
   
  

  Greenland ice sheet

  The Greenland Ice Sheet is a vast body of ice covering roughly 80% of the surface of Greenland. It is the second largest ice body in the world, after the Antarctic Ice Sheet. The ice sheet is almost ... > 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
• Ecology Research
  Ecology
  Marine Biology
  Invasive Species
  Ecosystems
  Water
   
  

  Algal bloom

  An algal bloom or marine bloom or water bloom is a rapid increase in the population of algae in an aquatic system. Algal blooms may occur in freshwater as well as marine environments. Typically only ... > more
• Severe Weather
  Storms
  Tornadoes
  Weather
  Geography
  Water
   
  

  Supercell

  A supercell is a severe thunderstorm with a deep rotating updraft. Supercell thunderstorms are the largest, most severe class of single-cell thunderstorms. It has been argued that there are really ... > more

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