Helpful Videos
Hunger in America
http://video.pbs.org/video/2365206680/
Agriculture Revolution
https://www.youtube.com/watch?v=Yocja_N5s1I
https://www.youtube.com/watch?v=G3Y0A5Xxm3s
Green Revolution
https://www.youtube.com/watch?v=HucSCNQ01X4
Industrial Revolution
https://www.youtube.com/watch?v=JhF_zVrZ3RQ
Weber's Cost Theory
https://www.youtube.com/watch?v=pdMRQLxitx4
https://www.youtube.com/watch?v=0gjIDsx9h-A
Secondary Sector
https://www.youtube.com/watch?v=h57QGhDiv60
Seed Bank
http://www.cnn.com/2015/10/23/europe/after-apocalypse-doomsday-seed-bank-svalbard/index.html
Human Development Index
https://www.youtube.com/watch?v=EuczJTVGk6c
https://www.youtube.com/watch?v=gApXueVX-vs
Top 10 Highly Developed Countries
https://www.youtube.com/watch?v=H4UdNzC2vMo
Site and Situation
https://www.youtube.com/watch?v=RwKqKTPn7SQ
https://www.youtube.com/watch?v=f3on9hVWJkI
Central Place Theory