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Marine debris, also known as marine litter, is human-created solid material that has deliberately or accidentally been released in seas or the ocean.Floating oceanic debris tends to accumulate at the center of gyres and on coastlines, frequently washing aground, when it is known as beach litter or tidewrack.
By using data on surface plastic concentration (pieces of plastic per km 2) from 1972 to 1985 (n=60) and 2002–2012 (n=457) within the same plastic accumulation zone, the study found the mean plastic concentration increase between the two sets of data, including a 10-fold increase of 18,160 to 189,800 pieces of plastic per km 2.
The 10 top-ranked rivers transport 88–95% of the global load into the sea "Supporting Information: Export of plastic debris by rivers into the sea" (PDF). [full citation needed] </ref> [59] Asia was the leading source of mismanaged plastic waste, with China alone accounting for 2.4 million metric tons. [60]
Texas has the dubious distinction of leading the nation in polluted waterways. A new report draws upon self disclosed data by industrial facilities provided to the EPA. The study counted 17 ...
In 2018 approximately 513 million tonnes of plastics wind up in the oceans every year out of which the 83,1% is from the following 20 countries: China is the most mismanaged plastic waste polluter leaving in the sea the 27.7% of the world total, second Indonesia with the 10.1%, third Philippines with 5.9%, fourth Vietnam with 5.8%, fifth Sri ...
Plastic "nurdle" pellets on a beach in southwest France, 2011. Plastic pellet pollution is a type of marine debris originating from the plastic particles that are universally used to manufacture large-scale plastics. In the context of plastic pollution, these pre-production plastic pellets are commonly known as 'nurdles'. [1]
[1] [2] As of 2022, an estimated 51 trillion microplastics are floating in the surface water of the world's oceans. [3] A single 5mm piece of plastic can host 1,000s of different microbial species. [4] Some marine bacteria can break down plastic polymers and use the carbon as a source of energy. Microbes interacting with the surface of plastics.
Litter can exist in the environment for long periods of time before decomposition and be transported over large distances into the world's oceans. Litter can negatively affect quality of life. Cigarette butts are the most littered item in the world, with an estimated 4.5 trillion discarded each year. [1]