Other References:
Produce photograph: 
http://brooklynbridgeparents.com/registration-is-open-for-csa-in-brooklyn-heights/
Globe in hands picture:
http://www.kccucc.org/earth_keepers.html
Zebrafish photograph:
http://transforming-science.com/tag/zebrafish/
Pictures of Dottie Baumgarten: 
https://www.linkedin.com/pub/dottie-baumgarten/74/783/ab2
http://ttfwatershed.org/2013/04/17/6563/
Map of Africa:

https://archive.4plebs.org/pol/page/1803/
Rainforest Biome photograph: 
http://misspereirasblog.global2.vic.edu.au