What are the advantages&disadvantages of using plastic carrybags?do u use them?  

Today people from all walks of life use plastic bags mainly because of their easy availability and convenience. Their use is so widespread that it is a wonder as to how people ever managed to do anything without them. There are a variety of bags available and they are put to different uses. The grocer packs most of the foods, grains, vegetables, fruits etc into clean transparent plastic bags, which keep the food in hygienic condition and even adds a touch of glitter to them. Apart from making it convenient for the consumer to buy them, these pre-weighed and clean packages help in saving time and energy for the buyer. Other items like clothes, toys, shoes, electric items, magazines are all pre-packed in plastic bags before being sold.
In the home front students and office goers prefer to pack lunches in plastic bags saving the effort of carrying and washing lunch boxes. The housemaids use these bags to carry food from their places of work to their home. The milk and bread men pack their goods in plastic bags before delivering them. Deep freezers are stocked with food stored in plastic bags
There are approximately 46,000 pieces of plastic floating in each square mile of our coastal area.
More than one million sea birds and approximately 100,000 sea mammals die each year after ingesting or becoming entangled in plastic debris.
Some marine life has been found with plastic fragments in the stomachs and plastic molecules in their muscles.
Turtles, dolphins and other such marine creatures often mistake small plastic bags for jelly fish after following them and develop intestinal blockade which often lead to their death.
It is surprising that amongst the world full of the plastic users, very few are aware of the harmful effects of plastic even though environmentalists are busy creating an awareness of the hazards of plastic. Schools too are participating in educating the children about plastic hazards. Many countries have banned the use of plastic bags and many are in the process of doing so. With all this going on, the menace of plastic bags seems to be ever increasing. Certain statistics, listed below will show us the amount of plastics we use and discard.
12 million plastic bags are handed out to shoppers in Britain every year.
10 million plastic bags are disposed of by Bangladesh nationals every year.
6 billion plastic bags are thrown away by Australians every minute.
The use of plastic in India has more than doubled in the last 20 years. It has increased from 1.8 million tons to about 5 million since 1995-96 up till now.