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Politics : Formerly About Advanced Micro Devices
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To: koan who wrote (554757)3/12/2010 5:15:01 PM
From: combjelly  Read Replies (2) of 1572298
 
"By 2008, however, global methane levels, which had stayed mostly flat since 1998, had risen to 1,800 ppb[3] and by 2010, methane levels, at least in the arctic, were measured at 1850 ppb, a level scientists described as being higher than at any time in the previous 400,000 years, while noting that historically, methane concentrations in the world's atmosphere have ranged between 300 and 400 ppb in cool periods and 600 to 700 ppb in warm periods."

Taro take note.
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