Definitions - u

U-value

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Underfloor Heating

Green Technology is Technology which is either itself considered green by its design or its intended purpose.


Technology that is Green in of itself has been designed to not pollute the environment during its manufacturer or final decommissioning, Technology that is Green by purpose is technology which is used to implement a service or process which in of itself is considered Green.

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Underground Injection

A method of land disposal in which liquid wastes are injected into known geological formations, generally at great depths.

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Unfinished Oils

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Uniform Region

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Upgradeable Product

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Upwelling

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Urban Heat Island

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Click on a letter to see all the terms and definitions that begin with that letter.

A free Android app containing all these definitions is now available, called the Green Dictionary. Click here to see the entry on the Android market; or click here if on an Android phone.