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Global Warming, er Climate Change is a National Security Threat


Quote:Dude, but everyone knows climate can change without human influence.  The problem is that some people are dragging (see what I did there?) their feet in accepting that humans also can have an influence.  6 Billion people.  The world economy is driven by fossil fuels...  All that extra energy going into the atmosphere has an impact over time.  It seems pretty plausible to deduct that some of the changes that have been happening recently are caused by our consumption and use of these types of fuels.

 

Natural changes in climate happen over millenia.  These recent changes appear to be happening faster than that.  The ocean's currents are changing.  Heck, I read that even the gulfstream that affects weather patterns in the USA is changing.  These appear to me to be caused by all us 6 billion folks burning lots and lots of carbon.  At the least, one should be able to admit that it has some effect, if not the entire driver.
 

We don't have measurements on short term changes before thermometers were in use. The proxy measurements are averages over 50 or more years. When you look at thermometer measurements, the changes that happened between 1910 and 1940, before CO2 enrichment, are the same as those from 1980 to 2010.


 

CO2 has SOME effect. Nobody (well very few) disagree with this. All other things being equal, a doubling of CO2 will increase global temperature by 1.5 degrees C. The disagreement is in the 'other things.' The Warmists claim that 'other things' will amplify the warming (positive feedback). The skeptics claim that 'other things' will limit the warming (negative feedback).





                                                                          

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Global Warming, er Climate Change is a National Security Threat - by MalabarJag - 06-02-2015, 10:45 AM



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