A single plastic bag can take up to years, to decay completely. This makes the bags stay in environments longer, in turn leading to great build-up on the natural landscape much more than degradable materials like paper. In other words, the more plastic bags you use, the greater the chances of environmental damage. Threat To Animal Life As per Marrickville Council of Australia, as many as , whales, turtles and birds die have been reported to die every year, mainly because of plastic in their environment. Plastic bags not only have adverse effects on our natural habitats, but have also been found to be responsible for the death of many animals, mainly on account of the suffocation encountered on eating them.
Suffocation Not only animals, infants and young children have also been reported to have lost their life, on account of plastic bags. Since plastic bags are thin and airtight as well, children often end up blocking their mouths and nostrils with them. In case they are not being monitored by an adult, this leads to suffocation and, in some cases, even death. Pollution Plastic bags are extremely durable. In case you are thinking of this as an advantage, just bring to mind an image of the huge landfill that you visited on the city outskirts, the other day.
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In most probability, majority of the rubbish present there will comprise of plastic bags only. In other words, plastic bags have led to a great increase in the pollution levels. Fumes Since plastic bags are not bio-degradable, the only way to get rid of them is to burn them up. Though lighting a match to them is easy, it has more than its fair share of disadvantages. The biggest of them is that smoldering plastics can release toxic fumes into the environment, in turn taking the air pollution to much higher levels. Non-renewable One of the main disadvantages of plastic bags is that they are not renewable.
The reason behind this is that they are made of petrochemicals, a non-renewable source of energy. They can be recycled, but not as easily as paper bags. Plastic bags can last for as much as hundred of years. In other words, long after you are no more, the plastic bag used by you will be in existence. Plastics are manufactured from petroleum. This brings a host of issues destruction of habitat, extraction of crude oil, security issues from the volatile countries where oil is produced, processing of petroleum, chemical manipulation into various types of plastics.
The manufacture involves many chemicals, many of which have not been sufficiently tested for their toxicological impact on humans or animals. The final plastic product is often a chemical entity that in and of itself has had insufficient toxicological and ecotoxicological testing. An example would be PVC, forms of which are banned in Europe but exist widely in children's toys in America. Recent controversies over plastic bottles many toxicologists recommending not re-using plastic water bottles and not storing food in tupperware have highlighted the potential risks.
Exacerbating the problem is that science is only now advancing to where it can detect plastic components in human blood and then trace concentrations and link them to human ailments and diseases. The plastics industry itself often spins plastic and related plastic chemicals into a variety of products, some of which are hazardous and controversial Teflon, PVC, Polyethylene, polystyrene, various silicones in body and hair care.
Plastic-producing companies are often chemical companies or subsidiaries of chemical companies, both with poor track records when it comes to their adherence to regulatory compliance and their willingness to perform toxicological analysis on the products they make.
Plastics often leech component chemicals, including hazardous chemicals, through common temperature changes. It is for this reason that toxicologists do not recommend storing very cold foods in plastics or heating foods microwaving especially in plastics. Plastics are durable materials. Thus, they are hard to eliminate once used and create tremendous waste. While some common plastics can be recycled 1 and 2 plastics used in common soda and milk bottles , the vast majority cannot.
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They take up a lot of space in landfills and create air pollution when incinerated. The Disadvantages of Plastic Skylights Although plastic skylights are safer and sturdier than glass skylights, they do pose several long term disadvantages.
Firstly, because they are made in single sheets, they can only be curved or bent in one area, which limits design options. Secondly, all plastics deteriorate in strength and light transmission as time passes, due to ultraviolet rays, heat and oxidation and none can be entirely prevented.sublippconfe.tk
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And finally, the life and service of plastic materials is highly unpredictable. This is due to the intermolecular bonds that constitute plastics, whose structure ensures that the plastics neither corrode nor decompose. Plastics disposed of indecently get washed away to water reservoirs. They clog waterways and float on reservoirs, polluting and making them unsightly. Plastics generally have a low melting point, so they can't be used where heat levels are high. This also means they cannot be used as protective barrier for furnaces. Some plastic products are highly flammable -- polystyrene, acrylics, polyethylene and nylons commonly used in packaging, home and office appliances.
This makes them a fire hazard. Plastics generally have a short useful life compared to metals. This short life cycle results in pile-ups of unwanted garbage in the office, home or waste yards. Most plastic bags are biodegradable. Used extensively in supermarkets for groceries.
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They are foldable and can be carried in a purse or pocket. Require less energy to make. Quicker to open, pack, and double up than paper bags. Lighter to carry than any other alternative. Plastic bags actually generate up to eighty percent less solid waste than paper. Stronger than its paper counterpart. Preserve products for a longer period.
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- Disadvantages Of Plastic Bags!
They can be used by all industries irrespective of their scale. Disadvantages of Plastic bags: Affects marine life adversely They are made of crude oil and natural gas which are non-renewable sources of energy. Since only a small percent of plastic bags are recycled, many of them end up entering the waste stream. Heavy items often tend to break the handle of plastic bags making them unusable. Plastic bags are known to be a hazard for various animal species.