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How green is a plastic carrier bag?
A study of the environmental impact of a plastic carrier bag
What goes into a plastic carrier bag
It takes around 60 million - 120 million barrels of oil a year to produce the 500 - 1 trilloin plastic bags used worldwide.
Chemical contamination
Plastic bags break down with exposure to sunlight into more toxic petro-polymers, which can contaminate waterways and soil.
Lifetime embodied energy
The useful lifespan of a carrier bag can be as little as 20 minutes and seldom reaches more than a week or two, the recycle rate is less than 5% so most bags end up in landfill where they will stay for many hundreds of years.
Recycling and material recovery
Of the roughly 1 million plastic bags a minute being consumed less than 1% are recycled. It costs £2,000 to process and recycle 1 ton of plastic bags which have a market value of £16.
Factoids
[6]
The manufacturing of plastic bags makes up 4 percent of the worlds total oil consumption.
One polyethylene plastic bag requires 0.133 kwh energy for its manufacture.
The manufacturing of two plastic bags produces 1.1 kg of atmospheric pollution.
A car can travel 1 kilometer in the energy required to manufacture 9 plastic bags.
In this century, an estimated 46,000 pieces of plastic are floating in every square kilometer of ocean worldwide.
96 percent of all grocery bags are thrown into landfills.
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