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Desalination
Desalination or desalinization refers to any of several processes that remove the excess salt and other minerals from water in order to obtain fresh water suitable for animal consumption or ... > more -
List of tornadoes and tornado outbreaks
These are some notable tornadoes, tornado outbreaks, and tornado outbreak sequences that have occurred around the ... > more -
Camouflage
Camouflage is the method which allows an otherwise visible organism or object to remain indiscernible from the surrounding environment. Examples include a tiger's stripes and the battledress of a ... > more -
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 -
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 -
Air conditioning
An air conditioner (AC or air-con) is an appliance or mechanism designed to extract heat from an area using a refrigeration cycle. In construction, a complete system of heating, ventilation and air ... > more -
1906 San Francisco earthquake
The San Francisco earthquake of 1906 was a major earthquake that struck San Francisco and the coast of northern California at 5:12am on Wednesday, April 18, ... > more -
Wind Energy
Energy and the Environment
Renewable Energy
Electricity
Environmental Science
Energy Technology
Wind turbine
A wind turbine is a machine for converting the mechanical energy in wind into electrical energy. If the mechanical energy is used directly by machinery, such as a pump or grinding stones, the machine ... > more -
Effect of Hurricane Katrina on New Orleans
The effect of Hurricane Katrina on New Orleans was catastrophic and long-lasting. The storm, which was the costliest hurricane as well as one of the deadliest natural disasters in U.S. history, made ... > more -
Hurricane Agnes
Hurricane Agnes was the first tropical storm and first hurricane of 1972 Atlantic hurricane season. A rare June hurricane, it made landfall on Florida before moving northeastward and hitting New ... > more
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