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Politics : View from the Center and Left
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To: Lane3 who wrote (10759)2/3/2006 12:36:07 PM
From: Lane3  Read Replies (1) of 541740
 
Addendum.

At the end of the show there was some speculation about the North Atlantic current, the conveyer belt, and how it might react to global warming. Right now it works by carrying warm water north near the surface until it runs into cold water and then heads south at greater depths forming the two-way conveyer belt. The southward flow is below because cold water sinks. The point made was that fresh water also sinks and melting glaciers hold fresh water. The more warming, the more glaciers melt, the more fresh water below, which would break down the conveyer belt that now warms the North Atlantic and we could have another ice age to stem the global warming. I found the notion of global warming having a natural brake and causing an ice age interesting.
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