Скачать или смотреть 7,000,000,000 People

The world population, as you watch this video, is about to hit an arbitrary landmark. But, still, the growing world population is not an insignificant issue, nor is the explosion in resource use in the developing world. But overall...I'm optimistic.


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:   / hankgreen  
Hank's Facebook:   / hankimon  
Hank's tumblr:   / edwardspoonhands  

John's Twitter:   / realjohngreen  
John's Facebook:   / johngreenfans  
John's tumblr:   / fishingboatproceeds  

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

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

A Bunny
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