Friday 29 July 2011

causes of plastic


     



  •  Next time you do the shopping and carry home the things in a  plastic carry bag, think and realise that you are  contributing your share to a deadly plastic pollution whose ill effects are  irreversible and capable of reaching out to many generations  to come. Plastic is one of the major toxic pollutants of our time. Being composed of  toxic chemicals and most importantly a non biodegradable  substance, plastic pollutes earth and leads to air pollution and water pollution. There is no safe way to  dispose plastic waste.     

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    ENVIRONMENT

    Effects of Pollution

      Plastic wastes clog the drains and thus hit especially urban  sewage systems. The plastic wastes being dumped into rivers,  streams and sea contaminate the water, soil, marine life and also the air we  breathe. Choked drains provide excellent breeding grounds  for mosquitoes besides causing flooding during the monsoon. Since plastic does not undergo bacterial decomposition,  landfilling using plastic would mean preserving the poison  forever. Any attempt to get rid of plastic through landfills is also dangerous.  Apart form toxic seepage from the landfill resulting in the  contamination of precious water sources, the waste mass impedes the flow of  ground water. Landfills  are also prone to leaks. The wastes, especially cadmium and  lead in the wastes, invariably mix with rain water, then seep through the ground  and drain into nearby streams and lakes and other water  bodies. Thus the water we use gets poisoned.


                                    The only way to overcome the deadly and lasting danger of  plastic pollution is to cut down the use of plastic, if possible avoid  it altogether. Say NO to plastic whenever and wherever you can. Prefer to   carry your own bags for grocery shopping, a jute or cloth  bag. All attempts made to put an end to plastic pollution will be a REAL BENEFIT for  your grand children. Let us contribute our part, save our  environment from plastic pollution and make it a better environment for future.
                                       

                           Plastic causes serious damage to environment during its  production process and during its disposal process. So the  only way to reduce the hazards of plastic pollution is to reduce the use of plastic and  thereby force a reduction in its production. The major chemicals that go into the making of plastic are  highly toxic and pose serious threat to living beings of all  species on earth. Some of the constituents of plastic such as benzene and  vinyl chloride are proved to cause cancer, and other gases  and liquid hydrocarbons spoil earth and air. The noxious substances emitted  during the production of plastic are synthetic chemicals  like ethylene oxide, benzene and xylenes. Besides hitting hard the ecosystem  which is already fragile, these chemicals can cause an array  of maladies ranging from birth defects to cancer, damage the nervous system and  the immune system and also adversely affect the blood and  the kidneys. And, many of these toxic substance are emitted during recycling of  plastic too. Like in the case of all other chemical substances,  ‘disposal’ of plastic is a myth. Once plastic is produced,  the harm introduced is almost permanent. Plastic defies any kind of attempt at disposal,  be it through recycling, burning or landfilling. When you  recycle a hazard, you pave way for another hazard. Recycling of a plastic  merely puts it back into the market  place and eventually into the environment, thereby making no reduction in its use. The  recycled plastic degrades in quality and necessitates the production of more new plastic  to make the original product.


                                       When plastic is burned, it has its own disadvantages.  When burned, plastic releases a host of poisonous chemicals  including dioxin into the air. Apart from these dangers, recycling of plastic is  very uneconomical, dirty and labour intensive as has been  revealed by studies conducted by many 'Public Interest Research Groups'. Recycling  of plastic is associated with skin and respiratory problems  resulting from exposure to and inhalation of toxic fumes, especially  hydrocarbons and residues released during the process.



    Plastic is the general common term for a wide range of synthetic or semi synthetic organic amorphous solid materials suitable for the manufacture of industrial products. Plastics are typically polymers of high molecular weight, and may contain other substances to improve performance and/or reduce costs.


    Plastic: Pollution-Problems-Precaution
    Filed Under: Environment, I Care, Personal by admin — 5 CommentsJune 12, 2009Plastic is the general common term for a wide range of synthetic or semi synthetic organic amorphous solid materials suitable for the manufacture of industrial products. Plastics are typically polymers of high molecular weight, and may contain other substances to improve performance and/or reduce costs.

     It refers to their malleability or plasticity during manufacture that allows them to be cast, pressed, or extruded into an enormous variety of shapes – such as films, fibres, plates, tubes, bottles, boxes, and much more.



    20% of solid municipal wastes in India are plastic. Non-degradable plastics accumulate at the rate of 25 million tonnes per year. According to an estimate more than 100 million tonnes of plastic is produced every year all over the world. In India use of plastic is 3 kg per person per year
                                                  
      Plastic Problems


    Plastics are used because they are easy and cheap to make and they can last a long time. Urbanisation has added to the plastic pollution in concentrated form in cities. Plastic does not decompose, and requires high energy ultra-violet light to break down.
    Plastic thrown on land can enter into drainage lines and chokes them resulting into floods in local areas in cities as experienced in Mumbai, India in 1998. It was claimed in one of the programmes on TV Channel that eating plastic bags results in death of 100 cattle’s per day in U.P. in India. In stomach of one dead cow, as much as 35 kg of plastic was found.
    More than 90% of the articles found on the sea beaches contained plastic. The plastic rubbish found on beaches near urban areas tends to originate from use on land, such as packaging material used to wrap around other goods. On remote beaches the rubbish tends to have come from ships, such as fishing equipment used in the fishing industry.
    Plastics are used because they are easy and cheap to make and they can last a long time. Urbanisation has added to the plastic pollution in concentrated form in cities. Plastic does not decompose, and requires high energy ultra-violet light to break down.
    Plastic thrown on land can enter into drainage lines and chokes them resulting into floods in local areas in cities as experienced in Mumbai, India in 1998. It was claimed in one of the programmes on TV Channel that eating plastic bags results in death of 100 cattle’s per day in U.P. in India. In stomach of one dead cow, as much as 35 kg of plastic was found.
    More than 90% of the articles found on the sea beaches contained plastic. The plastic rubbish found on beaches near urban areas tends to originate from use on land, such as packaging material used to wrap around other goods. On remote beaches the rubbish tends to have come from ships, such as fishing equipment used in the fishing industry.



           Precautions

    “Ideally, the best methods of reuse are ways that will keep these plastics out of the landfill the longest.”
    Plastic water and soft drink bottles are sold with the intention of single use, then recycling, they can be safely reused if cleaned and handled properly. The keys are to ensure that the bottle is not damaged, has been thoroughly cleaned before each use, and is filled with clean tap water.

                 Different ways to reuse the plastic bags:

     •Use them to dust off out-of-season on shoes or seasonal articles.
     •Use the bags as gloves to clean dustbins, or using pesticides.
     •When packing a suitcase, use them to keep shoes from soiling clothes and dirty things from clean ones.
     •To protect small outdoor plants from rain or frost at night, cover them with bags and tie the handles tightly around the pots. Be sure to take the bags off in the morning.
     •Use as a barrier between you and your trash: for those with infrequent trash pickups, use as an extra layer for strong smelling kitchen waste. Or replace trash bags: use for the bathroom, the car, or even to replace kitchen trash bags.
     •Use as over dirty shoes to avoid tracking mud, or to put over shoes while doing gardening.
     •Ask stores if they will take the bags back. Encourage your local retailer to do the same.
     •For those who are interested in something a little bit more long lasting, consider learning how to craft with plastic bags, like carpet, shopping bags.

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