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Gravity will naturally move and transfer materials from land to the ocean, with the ocean becoming the end-repository. [31] Oceanic plastic pollution is remarkable for the sheer ubiquity of its presence, from ocean trenches , within deep sea sediment , on the ocean floor and ocean ridges to the ocean surface and coastal margins of oceans.
Human activities affect marine life and marine habitats through overfishing, habitat loss, the introduction of invasive species, ocean pollution, ocean acidification and ocean warming. These impact marine ecosystems and food webs and may result in consequences as yet unrecognised for the biodiversity and continuation of marine life forms. [3]
Plastic pollution is widely recognized as a critical global issue. It continues to overwhelm waste management systems, flooding plastic into our oceans, soil, air, and food chains, and raises ...
Plastic pollution has also greatly negatively affected our environment. "The pollution is significant and widespread, with plastic debris found on even the most remote coastal areas and in every marine habitat". [77] This information tells us about how much of a consequential change plastic pollution has made on the ocean and even the coasts.
Saving the planet's oceans from plastic pollution isn't on the agenda of a typical 12-year-old. However, sixth-grade inventor Anna Du is working to achieve just that.
While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm.. Marine pollution occurs when substances used or spread by humans, such as industrial, agricultural and residential waste, particles, noise, excess carbon dioxide or invasive organisms enter the ocean and cause harmful effects there.
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Debris on beach near Dar es Salaam, Tanzania Debris collected from beaches on Tern Island in the French Frigate Shoals over one month. Researchers classify debris as either land- or ocean-based; in 1991, the United Nations Joint Group of Experts on the Scientific Aspects of Marine Pollution estimated that up to 80% of the pollution was land-based, [5] with the remaining 20% originating from ...