The 2010 World Ocean Day was held in Lagos, Nigeria on June 8. It showcased the harmful effects of ship ballast water discharge which transports alien species and harmful aquatic algae and other pathogenic organisms from one part of the world to the other. June 8 is set aside every year as the global date to focus on the ocean and the role it plays. Because organizations and some individuals have engaged in environmentally unfriendly manners, this year's World Ocean Day focused on ship ballast water and invasive species.
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