Recycling and Waste Articles

• Computer Modeling
  Climate
  Global Warming
  Weather
  Environmental Issues
  Nature
   
  

  Global climate model

  General Circulation Models (GCMs) are a class of computer-driven models for weather forecasting, understanding climate and projecting climate change, where they are commonly called Global Climate ... > more
• Energy and the Environment
  Renewable Energy
  Energy and Resources
  Environmental Science
  Fuel Cells
  Sustainability
   
  

  Liquid nitrogen economy

  A liquid nitrogen economy is a hypothetical proposal for a future economy in which the primary form of energy storage and transport is liquid nitrogen. It is proposed as an alternative to liquid ... > more
• Air Quality
  Global Warming
  Sports Science
  Environmental Issues
  Acid Rain
  Chemistry
   
  

  Sulfur hexafluoride

  Sulfur hexafluoride (SF6) is a gas whose molecules consist of one sulfur atom and six fluorine atoms. It is colorless, odorless, non-toxic, and non-flammable, and is soluble in water and some other ... > more
• Atmosphere
  Air Quality
  Air Pollution
  Climate
  Geochemistry
  Environmental Issues
   
  

  Earth's atmosphere

  Earth's atmosphere is a layer of gases surrounding the planet Earth and retained by the Earth's gravity. It contains roughly 78% nitrogen and 21% oxygen 0.97% argon and carbon dioxide 0.04% trace ... > 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
• Mining
  Geology
  Earth Science
  Geochemistry
  Oceanography
  Earthquakes
   
  

  Quartz

  Quartz is one of the most common minerals in the Earth's continental crust. It belongs to the hexagonal crystal system, and is made up of silica (SiO2) tetrahedra. Quartz has a hardness of 7 on the ... > more
• Dinosaurs
  Extinction
  Geography
  Nature
  Environmental Policy
  Marine Biology
   

  Cretaceous

  The Cretaceous period is one of the major divisions of the geologic timescale, reaching from the end of the Jurassic period, about 146 million years ago (Ma), to the beginning of the Paleocene epoch ... > more
• Caving
  Water
  Drought Research
  Ecosystems
  Archaeology
  Pollution
   
  

  Stalactite

  A stalactite or dripstone, is a type of speleothem that hangs from the ceiling or wall of limestone caves. Stalactites are formed from the deposition of calcium carbonate and other minerals, which is ... > more
• Water
  Weather
  Severe Weather
  Pollution
  Environmental Issues
  Atmosphere
   
  

  Dew point

  The dew point or dewpoint of a given parcel of air is the temperature to which the parcel must be cooled, at constant barometric pressure, for the water vapor component to condense into water, called ... > more
• Ice Ages
  Global Warming
  Early Climate
  Climate
  Snow and Avalanches
  Geography
   
  

  Little Ice Age

  The Little Ice Age (LIA) was a period of cooling lasting approximately from the 14th to the mid-19th centuries, although there is no generally agreed start or end date: some confine the period to ... > more

Search ScienceDaily