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{{merge|greenhouse effect}}

{{merge|greenhouse effect}}

A '''runaway greenhouse effect''' has been predicted for [[Earth]] based on unverified [[computer model]]s of untested climate theories.

The '''runaway greenhouse effect''' is a sustained, intense warming associated with positive feedbacks within the climate system. Although the runaway greenhouse effect is not predicted for [[Earth]], it is of interest for other planets, such as [[Venus]].

 

An example of the effect, as it would occur on Earth, is that as carbon dioxide increases in the atmosphere, atmospheric water vapor concentrations increase, amplifying the natural greenhouse effect, which impacts the climate system such that additional greenhouse gases are introduced to the atmosphere until the surface temperatures become untenable.  

[[Richard Lindzen]] wrote:

[[Richard Lindzen]] wrote: