And what about the permafrost thawing ?  

> Joe Street wrote:
> 
> Well there may be something to this.  It may not be the main source of 
> greenhouse gas but IIRC methane is 6 times more potent as a greenhouse gas 
> than CO2 and there are a lot of
> cows being grown to serve the north american obsession with beef. And they do 
> fart a hell of a lot!  Consider also that the lion's share of oxygen comes 
> not from trees as many a
> tree hugger has suggested but from algae in the sea. Tiny bubbles..... Well I 
> have heard that more methane is released by termites than any other single 
> source.  Is this
> information debunkable?  I'd like to know.
> 
> Joe


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