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World Scientists' Warning to Humanity: A… duration 29 minutes 33 seconds World Scientists' Warning to Humanity: A… World Scientists' Warning to Humanity: A Second Notice	World Scientists' Warning to Humanity: A Second Notice Distinguished Professor Bill Ripple speaks to… over population +5 More From William Ripple 77 plays
Hydrophone Deployment duration 41 seconds Hydrophone Deployment Hydrophone Deployment	Hydrophone Deployment Hydrophone Deployment Video marine studies +1 More From David Baker 37 plays
Mark Hixon 2010 F.A. Gilfillan Memorial Award… duration 57 minutes 59 seconds Mark Hixon 2010 F.A. Gilfillan Memorial Award… Mark Hixon 2010 F.A. Gilfillan Memorial Award Lecture	Mark Hixon 2010 F.A. Gilfillan Memorial Award Lecture Dr. Mark Hixon, 2010 recipient of the F.A.… mark hixon +5 More From Eric Gleske 180 plays

World Scientists' Warning to Humanity: A Second Notice