Coral Reef Articles

• Near-Earth Object Impacts
  Asteroids, Comets and Meteors
  Geology
  Saturn
  Earth Science
  Moon
   
  

  Impact crater

  An impact crater is a circular depression on a surface, usually referring to a planet, moon, asteroid, or other celestial body, caused by a collision of a smaller body (meteor) with the ... > more
• Agriculture and Food
  Organic
  Sustainability
  Soil Types
  Food
  Geochemistry
   
  

  Organic farming

  Organic farming is a form of agriculture that relies on ecosystem management and attempts to reduce or eliminate external agricultural inputs, especially synthetic ones. It is a holistic production ... > more
• Tornadoes
  Severe Weather
  Climate
  Natural Disasters
  Weather
  Storms
   
  

  May 2003 Tornado Outbreak Sequence

  The May 2003 Tornado Outbreak Sequence in the United States was a series of tornado outbreaks that occurred from May 3 to May 11, 2003. There were 401 tornado reports in 19 states, 1,587 reports of ... > more
• Environmental Issues
  Water
  Geomagnetic Storms
  Pollution
  Geography
  Earth Science
   
  

  Rainbow

  A rainbow is an optical and meteorological phenomenon that causes a nearly continuous spectrum of light to appear in the sky when the Sun shines onto droplets of moisture in the Earth's atmosphere. ... > more
• Energy and the Environment
  Alternative Fuels
  Renewable Energy
  Fossil Fuels
  Batteries
  Vehicles
   
  

  Alternative fuel vehicle

  Alternative Fuel Vehicle refers to a vehicle that runs on a fuel other than traditional gasoline or diesel; any method of powering an engine that does not involve petroleum. Due to a combination of ... > more
• Water
  Nature of Water
  Drought Research
  Environmental Issues
  Ecosystems
  Pollution
   
  

  Water

  Water is a tasteless, odorless, and nearly colorless (it has a slight hint of blue) substance in its pure form that is essential to all known forms of life and is known also as the most universal ... > more
• Hurricanes and Cyclones
  Severe Weather
  Storms
  Weather
  Climate
  Natural Disasters
   
  

  2005 Atlantic hurricane season

  The 2005 Atlantic hurricane season unexpectedly became the most active Atlantic hurricane season in recorded history, shattering previous records on repeated occasions. The impact of the season was ... > more

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