Earth Science Articles

• Environmental Science
  Geochemistry
  Environmental Issues
  Sustainability
  Ecology
  Water
   

  Environmental engineering

  Environmental engineering is the application of science and engineering principles to improve the environment (air, water, and/or land resources), to provide healthful water, air, and land for human ... > more
• Nature
  Oceanography
  Ecology
  Marine Biology
  Earth Science
  Global Warming
   

  Ocean acidification

  Ocean acidification is the name given to the ongoing decrease in the pH of the Earth's oceans, caused by their uptake of anthropogenic carbon dioxide from the atmosphere. Between 1751 and 2004 ... > more
• 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
• Hurricanes and Cyclones
  Severe Weather
  Earth Science
  Climate
  Geomagnetic Storms
  Weather
   
  

  Season

  A season is one of the major divisions of the year, generally based on yearly periodic changes in weather. In temperate and polar regions generally four seasons are recognized: spring, summer, ... > more
• Earth Science
  Sports Science
  Geology
  Near-Earth Object Impacts
  Environmental Issues
  Earthquakes
   
  

  Foucault pendulum

  A Foucault pendulum, or Foucault's pendulum, named after the French physicist Leon Foucault, was conceived as an experiment to demonstrate the rotation of the Earth; its action is a result of the ... > more
• Oceanography
  Floods
  Geography
  Landslides
  Global Warming
  Ecology
   
  

  Coast

  The coast is defined as the part of the land adjoining or near the ocean. A coastline is properly, a line on a map indicating the disposition of a coast but the word is often used to refer to the ... > more
• Geology
  Fossils
  Earth Science
  Origin of Life
  Early Climate
  Earthquakes
   
  

  Precambrian

  The Precambrian is an informal name for the eons of the geologic timescale that came before the current Phanerozoic eon. It spans from the formation of Earth around 4500 Ma (million years ago) to the ... > more
• Earth Science
  Geology
  Geomagnetic Storms
  Near-Earth Object Impacts
  Stars
  Asteroids, Comets and Meteors
   
  

  Precession of the equinoxes

  The precession of the equinoxes refers to the precession of Earth's axis of rotation with respect to inertial space. The precession of the equinoxes is caused by the differential gravitational forces ... > more
• Fossils
  Geography
  Geology
  Origin of Life
  Extinction
  Environmental Policy
   

  Paleozoic

  The Paleozoic Era is a major division of the geologic timescale, one of four geologic eras. The Paleozoic includes six geologic periods; from oldest to youngest -- the Cambrian, Ordovician, Silurian, ... > more
• Biodiversity
  Rainforests
  Ecology
  Ecology Research
  Geography
  Nature
   

  Biodiversity hotspot

  A biodiversity hotspot is a biogeographic region that is both a significant reservoir of biodiversity and is threatened with destruction. The term biodiversity hotspot specifically refers to 25 ... > more
• Water
  Soil Types
  Environmental Issues
  Drought Research
  Drought
  Ecosystems
   
  

  Evapotranspiration

  Evapotranspiration (ET) is the sum of evaporation and plant transpiration. Evaporation accounts for the movement of water to the air from sources such as the soil, canopy interception, and ... > more
• Sun
  Geomagnetic Storms
  Solar Flare
  Renewable Energy
  Atmosphere
  Northern Lights
   
  

  Solar radiation

  Solar radiation is radiant energy emitted by the sun, particularly electromagnetic energy. About half of the radiation is in the visible short-wave part of the electromagnetic spectrum. The other ... > more

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