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Politics : Sioux Nation -- Ignore unavailable to you. Want to Upgrade?


To: Wharf Rat who wrote (76500)8/12/2006 12:34:01 PM
From: CalculatedRisk  Read Replies (2) | Respond to of 361633
 
A longer term perspective going back 400K years (current time is at right):



Look at the CO2 concentration on that chart - on the far right the highest concentration is around 360 ppm.

So that chart is already out of date - CO2 concentration are now over 380 ppm: