Laughable Denier Article

 

   


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Sunday April 14, 2019 – Laughable Denier Article – I usually keep tabs on the latest research into global warming and in doing so I have to wade through a load of articles from deniers.  These are usually posted in sites like the Daily Caller, Brietbart, and What's Up With That.  This week I came across one headline doing the rounds that read "Scientists Prove Man-Made Global Warming A Hoax" - This I couldn't miss. 

 

It turns out that the article was interpreting an piece from Think Progress, a site that the article classifies as "Far Left".  It quotes from the article that "Current CO2 levels of 410 parts per million (ppm) were last seen on Earth three million years ago, according to the most detailed reconstruction of the Earth’s climate by researchers at the Potsdam Institute for Climate Impact Research (PIK) and published in Science Advances."

 

What came next was what can only be described as a rant about how Global Warming couldn't be related to the burning of fossil fuels because man wasn't around to burn fossil fuels 3 million years ago.  This is so far off base that it is laughable.   

 

It's like saying that because the sky was cloudy yesterday it can't be clear today.  It assumes that there is only one cause for Carbon going into the atmosphere even though we are well aware that there are multiple ways for carbon to be released into the air.  We can also determine the source by examining the various levels of isotopes in the atmosphere.  Carbon Dioxide emitted from volcanic action contains a high proportion of Carbon-14.  This is what we see when we look at air bubbles trapped in ice 3 million years ago.  Today what we are seeing is increases in Carbon-13 and Carbon-12 which is what we get when we burn fossil fuels.

 

The carbon levels in the atmosphere might be the same but the source of that carbon is different.  So what did the report in Science Advances really say? 

 

"In-depth analysis of plant fossils and sediments reveal that such CO2 levels were last seen in the late Pliocene Epoch, a time when there were no ice sheets covering either Greenland or West Antarctica, and much of the East Antarctic ice sheet was gone. Temperatures were up to 7 degrees Fahrenheit warmer globally, at least double that at the poles, and sea levels were some 20 meters (65 feet) higher." 

 

The report is telling us to forget about holding the temperature to 1.5 C above re-industrial levels, we will be lucky if we can hold it to 3 C unless we really get our act in order and wean ourselves off fossil fuels quickly.

 

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