ABCDEFGHIJK MNOPQRSTUVWXYZ
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Title adapted from tooltip. Original at: http://xkcd.com/1732/

(I was mostly curious how the BGG forums would react to an image this size. It's also a nice concise history of the world, though not comprehensive, of course. I didn't know or hadn't recalled the Jiahu or the Sea Peoples.)

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Chengkai Yang
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Out of curiosity what is the current mean temp? I thought it was ~18C or so back during the Dino days which was supposed to be warmer than present.
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Steve Cates
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Here's the changes in average global temperature (blue line) with the CO2 ppm (black line) to see the effects.
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ABCDEFGHIJK MNOPQRSTUVWXYZ
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Koldfoot wrote:
I'm pretty sure that calibrating CO2 monitors was not perfected until the late Bronze Age.

Atmosphere captured in glaciers (and maybe amber?) plus plants react to CO2 concentrations, so tree rings etc. are an indication.
 
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Tall_Walt wrote:
Koldfoot wrote:
I'm pretty sure that calibrating CO2 monitors was not perfected until the late Bronze Age.

Atmosphere captured in glaciers (and maybe amber?) plus plants react to CO2 concentrations, so tree rings etc. are an indication.


Good Harry Jeebus, Walt. What the fuck are you thinking?

Or are you laying a meathead trap?
 
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Josh
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Your Chart's Faulty Walt, we all know the world is only 6,000 yrs old. Duh.
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Mac Mcleod
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"Last North American Pokemon Extinct"

hehehehe.
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