Marine Pollution
Published on Nov 18, 2015
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PRESENTATION OUTLINE
The oceans are so vast and deep that until fairly recently, it was widely assumed that no matter how much trash and chemicals humans dumped into them, the effects would be negligible. Proponents of dumping in the oceans even had a catchphrase: "The solution to pollution is dilution."
Solid waste like bags, foam, and other items dumped into the oceans from land or by ships at sea are frequently consumed, with often fatal effects, by marine mammals, fish, and birds that mistake it for food. Discarded fishing nets drift for years, ensnaring fish and mammals. In certain regions, ocean currents corral trillions of decomposing plastic items and other trash into gigantic, swirling garbage patches. One in the North Pacific, known as the Pacific Trash Vortex, is estimated to be the size of Texas. A new, massive patch was discovered in the Atlantic Ocean in early 2010.
Things that cause pollution
Sewege- pollution can enter ocean directly sewege or polluting substances flow through sewege, rivers or drainage system directly into the ocean.
Photo by Stuck in Customs
Land Runoff
Land runoff is another source of pollution in the ocean this occurs when water inflates the soil to its melting flows over land and into the ocean.
Littering
Pollution from the atmosphere is believe it or not, a huge source of ocean pollution this occurs when objects that are far inland are blown by the wind over long periods of time.
Photo by Smabs Sputzer
Things to help the ocean
1.)Help take care of the beach
2.) use fewer plastic products
3.) mind your carbon footprint and reduce energy consumption
4.) don't purchase items that exploit marine life
Photo by Dave_B_
