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The largest ocean-based source of plastic pollution is discarded fishing gear (including traps and nets), estimated to be up to 90% of plastic debris in some areas. [56] [57] Continental plastic litter enters the ocean largely through storm-water runoff, flowing into watercourses or directly discharged into coastal waters. [58]
The United States National Academy of Sciences estimated in 2022 that the worldwide entry of plastic into the ocean was 8 million metric tons of plastic per year. [63] A 2021 study by The Ocean Cleanup estimated that rivers convey between 0.8 and 2.7 million metric tons of plastic into the ocean, and ranked these river's countries. The top ten ...
Plastics accounts for 80% of waste dispersed in the marine and coastal environment of the Mediterranean Sea. [24] Recent studies focus on the types of plastics found and primarily on the issue of microplastics, both at a global but also at a regional level, as in the case of the Mediterranean Sea, which was identified as a "target hotspot of the world" due to its amounts of microplastics ...
A new tool developed by the University of California Santa Barbara, UC Berkeley, and the Benioff Ocean Initiative shows that a 90% reduction of single-use plastics would remove some 286 million ...
Our oceans are full of plastic — an estimated 200 million metric tons. And it's the microscopic pieces that could be the biggest threat.
The driver of the boat, the 15 year old, tossed garbage into the ocean that included plastic water bottles, cans, food bags, plastic cups and other “unidentifiable items,” the arrest report said.
Discarded plastic bags, six-pack rings, cigarette butts and other forms of plastic waste which finish up in the ocean present dangers to wildlife and fisheries. [53] Aquatic life can be threatened through entanglement, suffocation, and ingestion. [54] [55] [56] Fishing nets, usually made of plastic, can be left or lost in the ocean by fishermen.
Map of ocean currents circa 1943 This photo demonstrates the dispersal of plastic fragments of various sizes Visualization of the flow pattern of ocean pollutants. The South Pacific garbage patch is an area of ocean with increased levels of marine debris and plastic particle pollution, within the ocean's pelagic zone.