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Jeffrey Horn
Works at Interdisciplinary Center for Economic Science (ICES)
Attends George Mason University
Lives in Manassas, VA
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Jeffrey Horn

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"If there's a policy meme to be had from euvoluntary exchange, it's that often the people you want to help with a regulation are the very people you end up hurting. An obviously corollary is that if you really care about helping someone, sometimes the best course of action is inaction."
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Jeffrey Horn

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Join me on coinbase, if you're in a gambling mood.
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"Wishful thinking and good intentions are insufficient to change a H-D game into a coordination game." http://euvoluntaryexchange.blogspot.com/2012/12/firearms-euvoluntarity-game-theory-and.html …
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Jeffrey Horn

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Apparently the answer is 2. The ratio of question to answer length may not have set many records, but is well above two. Thanks for the skullsweat, Jon!
 
+Jeffrey Horn asks via twitter:

What's the ratio of carbon dioxide "stored" in all known fossil fuels to current atmospheric carbon dioxide levels?


This is a tough question to answer for a variety of reasons.  Let's assume that by "fossil fuels" we mean oil, coal, and natural gas.  How much CO2 would be released if we just suddenly burned up all the existing reserves and undiscovered caches of those three substances?  Here's a back-of-the-envelope calculation.

There's something like 2,500 billion barrels of oil, 14,000 trillion cubic feet of natural gas, and 1,000 billion tonnes of coal still floating around out there (that counts reserves and conservative estimates about undiscovered stashes).

Each barrel of oil has around 250 kg of CO2.
Natural gas produces around 60000000 tonnes per trillion cubic feet.
Burning a ton of coal produces about 3 tonnes of CO2*.

Crunching some numbers:

That's 6.88945 x 10^11 tonnes in oil
840,000,000,000 tonnes in gas
3,000,000,000,000 tonnes in coal

That comes to: 

4.52 x 10^12 tonnes of CO2 still locked up.

As of 2007, the Earth's atmosphere was about 383 parts per million by volume of CO2. Given the molar mass of CO2 and general air, that comes out to 0.0582% by weight. Wikipedia says the mean mass of the atmosphere is 5.1480×10^18 kg. 

That means the atmosphere contains about 3 x 10^12 tonnes of CO2.

The final tally, then:

4.52 x 10^12 tonnes of CO2 still locked up and 3 x 10^12 tonnes of CO2 already out there. Immediately using up all fossil fuels would approximately double our CO2 content.

*Why does burning a tonne of coal produce THREE tonnes of CO2? Well, remember that combustion is a result of the combination of carbon (in the case of coal) with ambient oxygen. Burning coal will release MORE CO2 by weight than there is carbon in the coal, since some of the released carbon gets bonded to extant atmospheric oxygen. Of course the same is true of all the other fossil fuels too--it just looks most obvious (and odd) in the case of coal.

#climatechange   #climatescience  +Climate News 
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Have him in circles
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Jeffrey Horn

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"Wishful thinking and good intentions are insufficient to change a H-D game into a coordination game." http://euvoluntaryexchange.blogspot.com/2012/12/firearms-euvoluntarity-game-theory-and.html …
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People
Have him in circles
184 people
Work
Occupation
Graduate Lecturer, PhD Student
Employment
  • Interdisciplinary Center for Economic Science (ICES)
    Research Assistant, 2012 - present
  • Hood College
    Visiting Instructor, 2012 - 2013
  • Mercatus Center
    Research Assistant, 2011 - 2012
  • George Mason University
    Graduate Lecturer, 2010 - 2011
  • George Mason University
    Department Tutor, 2008 - 2009
  • North Carolina State University
    Research Assistant, 2006 - 2008
  • George Mason University
    Teaching Assistant, 2009 - 2010
  • Wachovia
    Operations and Technology Intern in Change Management, 2005 - 2005
Places
Map of the places this user has livedMap of the places this user has livedMap of the places this user has lived
Currently
Manassas, VA
Previously
Midlothian, VA - Fredericksburg, VA - Raleigh, NC - Camden, TN - Gastonia, NC
Story
Tagline
A sometime autodidact with monomaniacal tendencies.
Introduction
I'm a PhD student at George Mason University married to Emma, a student at Union Presbyterian Seminary (we call it UPS). We both live in southern Virginia with our cats, Luck and Dale. While Lucky is the softest kitty (ever), Dale is by far the needier animal. We dig that in cats. It's weird in people, though.
Education
  • George Mason University
    Economics (PhD), 2008 - present
  • North Carolina State University
    Economics (BS), 2004 - 2008
  • Highland School of Technology
    Network Administration, 2000 - 2004
  • Cramerton Middle School
    1997 - 2000
  • Robinson Elementary School
    1993 - 1997
Basic Information
Gender
Male
Birthday
April 24
Jeffrey Horn's +1's are the things they like, agree with, or want to recommend.
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