1. Boeing International fact sheet.http://www.boeing.com/boeing/commercial/767family/pf/pf_facts.page.
2. U.S. Energy Information Administration, Annual Energy Review 2011,DOE/EIA-0384(2011);http://www.eia.gov/totalenergy/data/annual/pdf/aer.pdf.
3. The pollution of the marine environment by plastic debris: a review
4. Synthetic polymers in the marine environment: A rapidly increasing, long-term threat
5. X Prize Foundation, Plastics X Prize. This prize has beenin development, but its fate is unknown because it is not currentlydisplayed at the X Prize Foundation website; the YouTube advertisementvideo is still available. http://www.xprize.org/prize/plastics-x-prize;http://www.youtube.com/watch?v=GhyS47aqqAk.