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What are the hazards of plastic particles known as marine killers to the human body? In fact, the appearance of plastic particles in food and drinking water is inevitable. Even if plastic products are not produced or consumed from now on, it will take many years for the existing plastics in the existing environment to completely degrade. The key is that there is no health hazard when micro-plastics are eaten. "Plastic particles may be less toxic or non-toxic, but they are carriers of toxic and hazardous chemicals such as POPs due to their small size and hydrophobicity," said Mauda.
Plastic particle sources are complex and widespread
Last year, a survey of tap water samples from more than a dozen countries found that 83% of tap water was contaminated by plastic particles. Among them, the problem of plastic particle pollution in the United States was the most serious, and the proportion of tap water was as high as 94%. "This test is only to verify the ubiquity of plastic particles.
The amount of plastic particles in the bottled water is about twice that of tap water, indicating that in addition to the water source, some of the plastic particles may come from the bottle, ie the package. Dr. Ma Da, a policy consultant for the Zero-Waste Alliance, said that researchers have also found plastic particles in mollusks such as sea salt, fish, shellfish, and even beer and honey. "Sea salt and marine life are affected by marine pollution." But the production of honey has undergone the metabolic processes of plants and animals, in which plastic particles are found, indicating that there are many unknown parts of nature's circulation. ”
A paper published by the Key Laboratory of Environmental Process and Ecological Restoration of the Coastal Zone of the Chinese Academy of Sciences and the School of Resources and Environment of the Chinese Academy of Sciences, "Research Progress on Microplastics Pollution and Ecological Effects in Coastal Environments" shows that the sources of plastic particles in coastal environments are very complex. There are land source inputs such as rivers, sewage, garbage dumping, and input from ocean floating garbage along with ocean currents and tides. In the land source input, large amounts of sewage and garbage dumping are the main sources of plastic particles. Some industrial products such as detergents, skin care products and industrial raw materials contain a large amount of plastic particles, which are not easily separated or removed from sewage due to their small particle size and low density. “Plastic waste gradually turns into debris and particles into the environment under the wind and the sun. Personal care products such as toothpaste, shower gel, facial cleanser, cosmetics, etc. contain a large number of artificially produced plastic particles,” Mauda said.
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Marine killer: the harm of plastic particles to the human body
WHO will assess the health risks of plastic particles
"Plastic particles may be less toxic or non-toxic, but they are carriers of toxic and hazardous chemicals such as POPs due to their small size and hydrophobicity," said Mauda.
"Research progress on micro-plastic pollution and its ecological effects in coastal environment" shows that more than 100 plastic particles in coastal waters of 17 countries and regions have been collected, and their surfaces are adsorbed, in addition to organic pollutants, metal elements, nanoparticles, etc. . The study also found that polyethylene microplastics adsorbed polycyclic aromatic hydrocarbons higher than polypropylene. The materials used in mineral water bottles are basically polyethylene (PE), polyvinyl chloride (PVC), polyethylene terephthalate (PET) and the like.
The World Health Organization (WHO) said it will conduct an assessment of the health risks of plastic particles in drinking water. Bruce Gordon, the coordinator of the WHO's global work on water and sanitation, said that the plastic particles in drinking water contain harmful or toxic ingredients that have any effect on the body.
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Extension: Plastic Garbage Marine Killer
According to United Nations statistics, the annual production of plastics worldwide is expected to reach more than 300 million tons, half of which have been discarded once. By 2050, the world's population will soar to nearly 10 billion, and plastic production is expected to triple. The problem is that only a small portion of the plastic is recycled today; the rest stays in the surrounding environment and spreads throughout the soil and the ocean, like disease. Garbage discarded from the United States can eventually reach the South Pole. The sea water drags the plastic from the coast into a huge vortex, which is constantly stirred by the wind, and other ocean currents push the garbage all over the ocean. In fact, the ocean is a whole, with no boundaries.
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Studies have found that 90% of transoceanic seabirds have swallowed plastic throughout their lives. Dr. Jennifer Levers, who specializes in the study of seabird survival, said the highest record collected by researchers was that 276 pieces of plastic were found in a 90-day chick, accounting for 15% of the bird's weight.
According to the United Nations Environment Program, more than 8 million tons of plastics are abandoned in the ocean each year, accounting for 80% of marine debris. This not only threatens the survival of marine wildlife, but also destroys fisheries and tourism, causing at least $8 billion in damage to the entire marine ecosystem.
Peter Thomson, UN Secretary-General’s Special Envoy for Ocean Affairs, said the ocean is in great danger. If this trend continues, it is expected that by 2050, the total weight of plastics in the ocean will exceed the sum of fish, and 99% of the world's seabirds will ingest plastic products. Global plastic consumption is growing at an annual rate of 8%. We must begin to consider rational use, vigorously promote plastic recycling, disposable plastic products must be eliminated. Currently, Rwanda is one of the few countries that banned the use of plastic bags; in Haiti, the government has opened a “plastic bank” that recycles plastics for cash or mobile phone charging.
In February last year, the United Nations launched a large-scale “Global Campaign for Clean Oceans”, which aims to encourage governments to introduce “plastic limit orders” to urge the industry to reduce the production and consumption of plastics, redesign plastic packaging, and appeal to consumers to reduce plastics. Overuse and change the habit of randomly discarding garbage to ultimately avoid irreversible effects on the ocean.
In the future, the “Clean Ocean Global Campaign” will continue to promote the ambitious measures implemented by companies in various countries to reduce plastic waste, such as eliminating plastic beads in personal care products, introducing “bans” on plastic bags or levying plastic bag taxes. Significantly reduce the use of various disposable plastic products. At present, 10 countries including Belgium, Costa Rica and France have joined the sport. Indonesia is determined to reduce the amount of marine litter by 70% by 2025; Uruguay will tax disposable plastic bags in the second half of this year; Costa Rica will promote the reduction of disposable plastic products by improving the waste management system and popularizing relevant knowledge among the people. usage of.
What are the hazards of plastic particles to the human body?
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Deputy Director of Kexin Food Safety and Nutrition Information Exchange Center
A non-profit organization called Aopu Media commissioned the State University of New York to use a fluorescent dye that can be adsorbed on plastic to detect plastic particles in bottled water. The results showed that 93% of the bottled water samples detected plastic particles, including many internationally renowned brands of bottled water products. In this regard, my point is: If these top brands have "problems", I believe that the entire industry should be spared.
The presence of plastic particles in the environment is a recognized fact. The food industry believes that plastic particles are ubiquitous in the environment, in soil, water and air, and many foods are packaged in plastic, that is, other foods also have plastic particles. The International Packaging Drinking Water Association believes that the results of this study have not been peer-reviewed, and that the scientific community lacks consensus on plastic particle detection methods and health effects, so the result is a threat to consumers. In addition, there are still many shortcomings in the research on the pre-determined position of the publishing organization of the research, and it is irresponsible to publish such media reports.
In fact, the appearance of plastic particles in food and drinking water is inevitable. Even if plastic products are not produced or consumed from now on, it will take many years for the existing plastics in the existing environment to completely degrade. The key is that there is no health hazard when micro-plastics are eaten.
Although the scientific community's health effects on plastic particles are not well defined, the current evidence is more likely to be less risky. Earlier, the World Health Organization has announced that it will organize scientists to assess the potential risks of plastic particles in drinking water.
Dexuan has been paying attention to the development of the ecological environment, always paying attention to the policies related to the earth's ecological environment issued by various countries. Therefore, in the aspect of ecological plastic products, we have been working hard to improve, as close as possible to the environmentally-friendly tableware, and recently the new products that are sad. Almost all of them are degradable. The materials are not limited to bio-based, PLA and cereal fiber, but also bamboo straws and wooden to cutlery spoons, wooden coffee stir sticks, etc. I hope friends can hope. If you have some questions about environmentally friendly production, you can also contact us, give us some suggestions, communicate and discuss, and work hard together for the development of the earth's ecological environment.
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