Wednesday, December 17, 2008
Tuesday, November 18, 2008
About Plastic
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· Plastic bags are made of polyethylene
· Polyethylene is a petroleum product
· Production contributes to air pollution and energy consumption
· Four to five trillion plastic bags are manufactured each year
· Americans use over 380 billion polyethylene bags per year
· Americans throw away approximately 100 billion polyethylene bags per year
· Of those 100 trillion plastic bags, 1% are recycled
· It takes 1000 years for polyethylene bags to break down
· As polyethylene breaks down, toxic substances leach into the soil and enter the food chain
· Approximately 1 billion seabirds and mammals die per year by ingesting plastic bags
· Plastic bags are often mistaken as food by marine mammals. 100,000 marine mammals die yearly by eating plastic bags.
· These animals suffer a painful death, the plastic wraps around their intestines or they choke to death
· Plastic bag choke landfills
· Plastic bags are carried by the wind into forests, ponds, rivers, and lakes
· There are alternatives to plastic bags. All of this death and pollution is unnecessary
Information above are quoted from :
'http://environmental-activism.suite101.com/article.cfm/say_no_to_plastic_bags'
Before we end this post entry,why dont we spare some time to watch the video about the effects of plastic usage to our earth and environment.Remember,we can make a change to our the one and only earth,everyone need to play their role and to be a responsible person.Enjoy the video :
The Plastic History
Plastic is first invented by Alexander Parkes a
Alexander Parkes
Here is some the biography of Alexander Parkes :
As a young man, Parkes was apprenticed to a brass founders. He later joined Elkington, Mason & Co. as manager of a casting department. His interest in the newly formed rubber industry in the 1840s and 1850s led to the invention of a new material which he called Parkesine. Parkesine was based on cellulose nitrate and is generally accepted as the first plastic.
Parkes introduced his new material to great public interest at the 1862 Great International Exhibition in
An energetic man and prolific inventor, Parkes took out more than 80 patents during his life, most of which related to metallurgy; he also fathered 20 children.