1. National Geographic News September 2, 2003

2. - Christian Science Monitor News Paper

3. - Jared Blumenfeld (Director of San Francisco's Department of the Environment)

5. - U.S. National Academy of Sciences

9. - CNN.com/tecnhology November 16, 2007

10. - British Antarctic Survey

11. - National Marine Debris Monitoring Program

12. - CNN.com/tecnhology November 16, 2007

13. - CNN.com/tecnhology November 16, 2007

14. - CNN.com/tecnhology November 16, 2007

15. - World Wildlife Fund Report 2005

16. - World Wildlife Fund Report 2005

18. - World Wildlife Fund Report 2005

19. - World Wildlife Fund Report 2005

26. - MSNBC.com March 8, 2007

27. - CNN.com/asia January 9, 2008

28. - BBC News August 20, 2002

29. - Associated Press

30. - PlanetSave.com February 16, 2008

31. - NPR.org (National Public Radio)

32. - The Boston Globe May 20, 2007

33. - CNN.com/tecnhology November 16, 2007

34. - CNN.com/asia January 9, 2008

35. Rovásba átírta: Tisza András