Das Plastik in den Weltmeeren

http://www.umweltbundesamt.de/themen/wasser/gewaesser/meere/nutzung-belastungen/muell-im-meer
http://www.theoceancleanup.com/
http://www.plasticdebris.org/
http://worldmaritimenews.com/archives/85682/dnv-new-research-concept-for-tracking-plastic-debris-in-ocean/

Marine Debris Around the World: http://www.unep.org/regionalseas/marinelitter/publications/docs/plastic_ocean_report.pdf