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The pathway by which plastics enters the world's oceans. Marine plastic pollution is a type of marine pollution by plastics, ranging in size from large original material such as bottles and bags, down to microplastics formed from the fragmentation of plastic material.
The problem of ocean plastic debris is ubiquitous. It is estimated that 1.5–4% of global plastics production ends up in the oceans every year, mainly as a result of poor waste management infrastructure and practices combined with irresponsible attitudes to the use and disposal of plastics.
The largest single type of plastic pollution (~10%) and majority of large plastic in the oceans is discarded and lost nets from the fishing industry. [39] Waterborne plastic poses a serious threat to fish, seabirds, marine reptiles, and marine mammals, as well as to boats and coasts. [40]
In 2020, over the course of two expeditions, Ocean Voyages Institute again set the record for the largest cleanup removing 170 short tons (150 t; 340,000 lb) of plastic from the ocean. The first 45-day expedition removed 103 short tons (93 t; 206,000 lb) of plastic [ 73 ] and the second expedition removed 67 short tons (61 t) of plastic from ...
The plastic data collected by the students at SEA validated Maximenko's model, and researchers were able to successfully predict plastic accumulation in the North Atlantic Ocean. [ 14 ] A recent study published in December 2022 investigated the microbial communities found in the North Atlantic Garbage Patch and compared the data to the Great ...
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Far too much of the stateside-generated plastic, between 1.2 million and 2.5 million tons, happened to end up as litter in rivers, lakes, oceans, as well as on land.
Ocean-based sources of plastic litter are connected with some important economic sectors in the Mediterranean: fisheries, shipping and acquaculture, [26] which generate diverse types of debris that ends up in waters. The shipping sector in the Mediterranean Sea is very important as about 15% of global shipping passes through this region.