- ASCII CODE: CHARACTER TO BINARY. google.com. Web. 17 Dec. 2012. <http://www.cs.ndsu.nodak.edu/~adenton/ExpandingHorizons/EH2005/ascii-binary-chart.gif>.
- Curtis, Anthony. “A Brief History of Magazines.” A Brief History of Magazines. University of North Carolina, n.d. Web. 17 Dec. 2012. http://www.uncp.edu/home/acurtis/Courses/ResourcesForCourses/MagazinesHistory.html.
- Don, Carli. Home page March 31, 2010 <http://www.pbs.org/mediashift/2010/03/is-digital-media-worse-for-the-environment-than-print090.html>.
- Donna, Mah. Home page. October 30, 2011 <http://www.chinadaily.com.cn/china/2011-10/30/content_14002480.htm>.
- Evergreen Tree. www.mccullagh.org. google.com. Web. 12 Dec. 2012. http://www.mccullagh.org/db9/1ds-14/heavy-snow-on-evergreen-trees.jpg.
- Greenhouse Effect. windows2universe. google.com. Web. 12 Dec. 2012.
http://www.windows2universe.org/earth/climate/greenhouse_effect_gases.html. - Deciphering the Genetic Code. Web. 12 Dec. 2012.<http://www.cs.ndsu.nodak.edu/~adenton/ExpandingHorizons/EH2005/Expanding%20Horizons%2005.html>
- ascii-binary-chart. www.cs.ndsu.nodak.edu. google.com. Web. 12 Dec. 2012.<http://www.google.com/imgres?q=binary+code+chart&hl=en&sa=X&tbo=d&biw=1600&bih=815&tbm=isch&tbnid=okqHXZkYX93i0M:&imgrefurl=http://www.cs.ndsu.nodak.edu/~adenton/ExpandingHorizons/EH2005/Expanding%2520Horizons%252005.html&docid=5pp8gsodngjPDM&imgurl=http://www.cs.ndsu.nodak.edu/~adenton/ExpandingHorizons/EH2005/ascii-binary-chart.gif&w=567&h=601&ei=tU3RUNGnC8nw0QHsnICACA&zoom=1&iact=hc&vpx=4&vpy=145&dur=110&hovh=231&hovw=218&tx=93&ty=94&sig=102278519190526285087&page=1&tbnh=131&tbnw=116&start=0&ndsp=40&ved=1t:429,r:0,s:0,i:114>
- diamond computer chip. www.diamondland.be. google.com. Web. 12 Dec. 2012.<http://www.google.com/imgres?q=computer+chips&hl=en&tbo=d&biw=1600&bih=813&tbm=isch&tbnid=ZsgviHh_1hPmLM:&imgrefurl=http://www.diamondland.be/diamondnews/nanodiamond-computer-chips&docid=1n03CCowniRUYM&imgurl=http://www.diamondland.be/userfiles/image/diamond%252520computer%252520chip.jpg&w=600&h=399&ei=LXXRUK-UEKPU0gHg4IHwAQ&zoom=1&iact=rc&dur=365&sig=102278519190526285087&page=1&tbnh=141&tbnw=216&start=0&ndsp=32&ved=1t:429,r:17,s:0,i:204&tx=62&ty=102>
- Hyatt, Michael. The Amazon Kindle. 2007. youtube.com. Web. 3 Dec. 2012. <https://www.youtube.com/watch?feature=player_embedded&v=BKUKQ7QqOHw>.
- “Magazines.” – Top, Key Dates in the History of. Cybercollege, 24 Apr. 2012. Web. 17 Dec. 2012. http://www.cybercollege.com/frtv/mag4.htm.
- Nguyen, Jeannie. Digital and Printed Magazines’ Effects on the Environment. California: California Polytechnic State University, 2010. N. pag. google.com. Web. 12 Dec. 2012.
http://digitalcommons.calpoly.edu/cgi/viewcontent.cgi?article=1040&context=grcsp. - Quinn, Tony. “Digital Magazines: News and a History Timeline.” Digital Magazines 2012: History, News and Development from Teletext to IPad. Magforum, 23 Oct. 2012. Web. 17 Dec. 2012. http://www.magforum.com/digital_history.htm>
- Robert J., Boeri. Home page. Sepember 29 2008 < http://www.econtentmag.com/Articles/Column/Info-Insider/News-to-Go-Paper-or
- Volatile Organic Compounds (VOCs).” EPA. N.p., 9 July 2012. google.com. Web. 12 Dec. 2012.
http://www.epa.gov/iaq/voc.html.