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Politics : Formerly About Advanced Micro Devices

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To: combjelly who wrote (695530)1/28/2013 11:02:26 PM
From: Bilow  Read Replies (1) of 1575297
 
Hi combjelly; Re the change "global warming" -> "climate change".

I don't think this was driven by political considerations.

At roughly the same time, the "Medieval Warm Period" got renamed as "Medieval Climate Anomaly".

In both cases, it was recognized that the earth's climate is exceedingly complicated with a lot of influence between one region and another. For example, there's a strong correlation between the temperatures in Greenland and the monsoon in India.

So when some places get warmer, other places get cooler (or wetter or drier, or more windy, or warmer in summer and cooler in winter, or wet summers, etc.) The correlations are fantastically complicated.

So the original science was that "CO2 will cause the earth to warm". This has been replaced with "CO2 will cause the earth's climate to change". The warming is only a small part of the change. In fact, the easiest change to document in most places are changes in rainfall.

-- Carl
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