According to China International broadcast broadcasting station reports shopping bag, use paper, plastic still? When we go to a supermarket shopping every time, we perhaps are met ask oneself such problem. Because paper bag and polybag are right,environmental influence has advantages and disadvantages each, even a few environmentalist also feel bemused to this simple alternative. The expert says, the raw material of paper bag is lumber, the raw material of polybag is crude oil. Want used shopping bag every year to produce American, manufacturer need is extinct 14 million tree, or 12 million pails of oil. Place of manufacturing paper bag brings air pollution, should compare production polybag is tall 70% . But once polybag is produced it is very difficult to come out natural degradation, they can exist hundreds of years, very consummate chiliad.

Because the manufacturing cost of polybag is more cheap, american grocery store can choose them commonly. But san Francisco is using polybag in limitative consumer. Began April from this year, this city will allow to use only but biology degradation polybag may second birth paper bag. But biology degradation polybag can be in a few months is not decompose in hundreds of years.

It is paper bag or polybag no matter, environmental protection creed person advocating is same: Answer to use them circularly. They point out further, best choice, still use hop-pocket of course, always carry the bag of oneself.

It is a few basic data of polybag PK paper bag below:

Polybag:

-- annual, the whole world should be used up 5 one billion two hundred and fifteen million seven hundred and fifty-two thousand one hundred and ninety-two or 1 trillion polybag.

-- polybag cannot biology degradation, dan Nengguang degradation, below the action of sun's rays, they can be decomposed by oneself.

-- polybag of high density polyethylene won't be decomposed hundreds years after be buried to underground.

-- in American foreland, polybag is one of 10 kinds of the commonnest rubbish.

Paper bag:

-- with production polybag photograph is compared, manufacturing paper bag can bring more 70% air contaminant, more 50 times water pollution content.

-- 2000 polybag weigh 30 pounds about, 2000 paper bag weigh 280 pounds about, deserted unused paper bag can occupy larger bury space.

-- use the energy that 1 pound polybag requires circularly, the energy that should use place of 1 pound paper bag to need than circulating is little 91% ; And the energy that produces a paper bag, it is production of energy of a polybag 4 times much.