Paper bags - the use of disposable plastic bags harm to the body, but also caused serious kinds of e
The use of disposable plastic bags or plastic foam lunch boxes not only seriously affect people 's health, but also cause serious pollution to the environment. Specific performance:
1 two centuries to rot. Bags buried in the ground to go through about two hundred years to decay, will seriously polluted soil ; if taken incineration way , it will produce harmful fumes and toxic gases, long-term pollution of the environment .
2 degradable plastics biodegradable . Common market " biodegradable plastic bags " is actually just a plastic material added to the starch , the landfill because the fermentation of starch , bacteria decompose , plastic bags will break down into small chunks and even invisible fragments. This is a physical degradation , did not change fundamentally plastics chemical properties .
3 affect the normal breathing of the soil. After the bag itself is not one of the basic substances in soil and water , and forced into the soil , the gas barrier property itself will affect microbial growth and transfer of heat inside the soil , thus changing the characteristics of the soil. After a long period of accumulation of these bags , but also affect the crops to absorb nutrients and water, resulting in crop production .
4 . Easily lead to eating animals . Discarded plastic bags on the ground and on the water , easily swallowed by animals as food , plastic bags can not be digested in the gut of animals , animal body easily lead to injury and death.| Updated:2014.03.31 Source: Clicks:39411