It has been known for many years that methane compounds frozen in  
permafrost could release vast quantities of methane, a greenhouse gas 20 times  more 
powerful than CO2, if the permafrost melts. 
 
This article reports that Russian scientists are now observing such  
releases.
 
The weather today in Des Moines was more like early April than  
mid-December.--Tom
 
 
_http://www.nzherald.co.nz/world/news/article.cfm?c_id=2&objectid=10773020_ 
(http://www.nzherald.co.nz/world/news/article.cfm?c_id=2&objectid=10773020) 


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