File:Brotherhood 2.0 January 10, 2007

Description
In which John calculates his carbon footprint and talks math with Daniel Biss. Song: "Union Maid," by Old Crow Medicine Show

HERE ARE A LOT OF LINKS TO NERDFIGHTASTIC THINGS:

Shirts and Stuff: http://dftba.com/artist/30/Vlogbrothers Hank's Music: http://dftba.com/artist/15/Hank-Green John's Books: http://amzn.to/j3LYqo

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Hank's Twitter: http://www.twitter.com/hankgreen Hank's Facebook: http://www.facebook.com/hankimon Hank's tumblr: http://edwardspoonhands.tumblr.com

John's Twitter: http://www.twitter.com/realjohngreen John's Facebook: http://www.facebook.com/johngreenfans John's tumblr: http://fishingboatproceeds.tumblr.com

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Other Channels Crash Course: http://www.youtube.com/crashcourse SciShow: http://www.youtube.com/scishow Gaming: http://www.youtube.com/hankgames VidCon: http://www.youtube.com/vidcon Hank's Channel: http://www.youtube.com/hankschannel Truth or Fail: http://www.youtube.com/truthorfail

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Nerdfighteria http://effyeahnerdfighters.com/ http://effyeahnerdfighters.com/nftumblrs http://reddit.com/r/nerdfighters http://nerdfighteria.info/

A Bunny (\(\ ( - -) ((') (')