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Politics : Politics of Energy
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To: Brumar89 who wrote (9949)6/25/2009 9:16:27 AM
From: RetiredNow  Read Replies (2) of 86356
 
THis article is correct in saying there is natural variation. But go back and read articles on the 800,000 years worth of data from the ice cores. Those data prove that NEVER in the last 800,000 years has CO2 content in our atmosphere accelerated upwards as fast as it has in the last 150 years. It is unprecedented.

The speed and continued acceleration upwards of CO2 ppm is a klaxon warning and an extreme statistical outlier based on 800,000 years worth of data. That is why it has scientists so alarmed. The last 150 years of data are most certainly NOT natural variation.

By definition natural variation would mean that all the increase in CO2 and warming of the last 150 years would fall within 3 sigma of the mean. However, we're way beyond that based on the 800,000 year mean. That then by definition is a statistical outlier, which means that something new has happened.

Common sense and most scientists believe it was the industrial revolution that happened. Human production of CO2 through industrial processes finally became more than what our globe could absorb through natural processes. So we see a net increase...and it continue to accelerate.

These are all the classic signs of a "process that is out of control." Ask any statistician what an out of control process is and they'll tell you it's not a good sign when it comes to climate.
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