2010-08-23 22:26:24Basic.Intermediate 29: Human CO2
nealjking

nealjking@gmail...
91.33.120.144

Hi John,

Your intermediate-level argument doesn't consider CO2 from volcanic sources, which is a common skeptical talking point.

 Of course, it's negligible: 1/250 of the human-caused CO2, on an annual basis (averaged). But it should be mentioned.

 

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http://volcanoes.usgs.gov/hazards/gas/index.php :

Carbon dioxide (CO2)

Volcanoes release more than 130 million tonnes of CO2 into the atmosphere every year.

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Neal

 

 

 

 

2010-08-25 20:18:59Basic version
gpwayne
Graham Wayne
graham@gpwayne...
217.44.86.17
Neal - are you writing the basic version for this? I just claimed this one in the authors list, but then noticed you'd posted on this topic.
2010-08-26 00:02:22Basic version
nealjking

nealjking@gmail...
91.33.112.139

Since you had already claimed it, No.

I'm just making a comment, since I have dealt with this throw-away line before in blog discussions.

2010-10-01 10:48:58Marking this as published
John Cook

john@skepticalscience...
124.186.160.198
We already discussed this rebuttal in another thread but I'm just marking this one as green too so I don't keep coming back when I see a blue thread languishing at the bottom of the forum.