Environmental Science Articles

• Energy and the Environment
  Alternative Fuels
  Renewable Energy
  Fuel Cells
  Batteries
  Fossil Fuels
   
  

  Fuel cell

  A fuel cell is an electrochemical device similar to a battery, but differing from the latter in that it is designed for continuous replenishment of the reactants consumed; i.e. it produces ... > more
• Forest
  Rainforests
  Trees
  Ecology Research
  Nature
  Wildfires
   
  

  Forest

  A forest is an area with a high density of trees (or, historically, a wooded area set aside for hunting). These plant communities cover large areas of the globe and function as animal habitats, ... > 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
• Energy and the Environment
  Petroleum
  Renewable Energy
  Environmental Science
  Oil Spills
  Fossil Fuels
   
  

  Biodiesel

  Biodiesel refers to a diesel-equivalent, processed fuel derived from biological sources. Though derived from biological sources, it is a processed fuel that can be readily used in diesel-engined ... > more
• Wildfires
  Smoking
  Air Pollution
  Lung Cancer
  Air Quality
  Staying Healthy
   
  

  Smoke

  Smoke is a suspension in air (aerosol) of small particles resulting from incomplete combustion of a fuel. It is commonly an unwanted by-product of fires (including stoves and lamps) and fireplaces, ... > more
• Global Warming
  Climate
  Environmental Policy
  Environmental Issues
  Environmental Science
  Energy and the Environment
   
  

  IPCC Fourth Assessment Report

  The Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC) is the fourth in a series of reports on climate change. Two of the three reports (Working groups I and II) have ... > more
• Acid Rain
  Food Additives
  Air Quality
  Dietary Supplement
  Air Pollution
  Healthy Aging
   
  

  Sulfur dioxide

  Sulfur dioxide (also sulphur dioxide, sulfurous anhydride or sulphurous anhydride) has the chemical formula SO2. The gas is irritating to the lungs and is frequently described as smelling of burning ... > more
• Water
  Weather
  Pollution
  Severe Weather
  Climate
  Environmental Issues
   
  

  Precipitation (meteorology)

  In meteorology, precipitation is any form of water that falls from the sky as part of the weather to the ground. This includes snow, rain, sleet, freezing rain, hail, and virga. Precipitation is a ... > 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
• Ozone Holes
  Environmental Issues
  Air Quality
  Air Pollution
  Pollution
  Atmosphere
   
  

  Ozone

  Ozone (O3) is an allotrope of oxygen, the molecule consisting of three oxygen atoms instead of the more stable diatomic O2. Ozone is a powerful oxidizing agent. It is present in low concentrations ... > more
• Weather
  Severe Weather
  Geomagnetic Storms
  Hurricanes and Cyclones
  Storms
  Global Warming
   
  

  Weather

  Weather is a term that encompasses phenomena in the atmosphere of a planet. The term is normally taken to mean the activity of these phenomena over short periods of time, usually no more than a few ... > 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

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