Air Quality Articles

• Atmosphere
  Renewable Energy
  Weather
  Climate
  Severe Weather
  Environmental Science
   
  

  Hadley cell

  The major driving force of atmospheric circulation in the tropical regions is solar heating. Because of the Earth's 23.5 ° axial tilt, the sun is never more than a few tens of degrees from ... > more
• Ozone Holes
  Environmental Issues
  Atmosphere
  Air Quality
  Air Pollution
  Pollution
   
  

  Ozone layer

  The ozone layer is the part of the Earth's atmosphere which contains relatively high concentrations of ozone (O3). "Relatively high" means a few parts per million - much higher than the ... > more
• Recycling and Waste
  Hazardous Waste
  Environmental Science
  Environmental Issues
  Renewable Energy
  Energy and the Environment
   
  

  Landfill

  Landfill is a waste disposal site for the deposit of the waste onto or into land. Most modern landfills require a minimum of one containment ... > more
• Soil Types
  Organic
  Fungus
  Acid Rain
  Landslides
  Agriculture and Food
   
  

  Soil

  Soil is material capable of supporting plant life. Soil forms through a variety of soil formation processes, and includes weathered rock "parent material" combined with dead and living organic matter ... > more
• Water
  Recycling and Waste
  Drought
  Environmental Issues
  Drought Research
  Ecosystems
   
  

  Groundwater

  Groundwater is water located beneath the ground surface in soil pore spaces and in the fractures of geologic formations. A formation of rock/soil is called an aquifer when it can yield a useable ... > 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
• Petroleum
  Fossil Fuels
  Energy and the Environment
  Rainforests
  Air Quality
  Chemistry
   
  

  Natural gas

  Natural gas, commonly referred to as gas, is a gaseous fossil fuel consisting primarily of methane. It is found in oil fields and natural gas fields, as well as—in smaller quantities—in ... > more
• Aviation
  Vehicles
  Sports Science
  Weather
  Geography
  Air Quality
   
  

  Altimeter

  An altimeter is an active instrument used to measure the altitude of an object above a fixed level. The measurement of altitude is called altimetry, which is related to the term bathymetry, the ... > more
• Recycling and Waste
  Hazardous Waste
  Environmental Science
  Environmental Issues
  Pollution
  Water
   
  

  Sewage treatment

  Sewage treatment is the process that removes the majority of the contaminants from waste-water or sewage and produces both a liquid effluent suitable for disposal to the natural environment and a ... > more
• Hazardous Waste
  Recycling and Waste
  Environmental Science
  Renewable Energy
  Energy and the Environment
  Environmental Issues
   
  

  Waste

  Waste, rubbish, or garbage is unwanted or undesired material. Waste is something which has lost its apparent value to its owner. It is a misplaced ... > more

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