Simply because it doesn't degrade or decay quickly. Polythene can last for hundreds of years - which means the usual way to dispose of it was to bury it in huge land-fill sites.
However - science is always improving - and we're starting to discover ways of re-cycling almost all polythene, so thankfully there'll be less of it thrown away.
harmful effects of polythene on animals
To save our posterity from the harmful effects of polythene, we must first reduce our consumption of single-use plastics like polythene bags and packaging. Encouraging the use of reusable alternatives such as cloth bags and glass containers can significantly decrease the amount of polythene waste generated. Additionally, implementing strict recycling programs and promoting awareness about the environmental impact of polythene can help in preserving the health of future generations.
Polythene is the commonly used plastic in the US and UK. It is used to manufacture packaging such as plastic bags, geomembranes, bottles, and containers.
the use of plastic can be harmful to the environment because you often can't reuse it without chemicals getting into the plastic so you throw it away so harmful chemicals get into the landfill you should be aware to not to use the polythene bags because you should use paper bags this may help environment
Polythene itself is not inherently toxic, as it is a type of plastic made from polymers. However, when polythene is not disposed of properly and ends up in the environment, it can release harmful chemicals and pollutants that can be toxic to organisms. It is important to recycle and properly dispose of polythene to prevent environmental harm.
When polythene burns, it produces carbon dioxide, water vapor, and trace amounts of carbon monoxide and volatile organic compounds. Burning polythene releases harmful chemicals into the environment and should be avoided.
Polythene is not biodegradable * Polythene threatens the life in the water bodies. The polythene articles (e.g. six pack rings) affects the survival of animals the aquatic and marine ecosystems. * Polythene is also likely to clog the drains causing problems in the water flow of the pipes. The pipe blockages would cause flooding and the free flow of water is disturbed. * Polethene is harmful for animals if swallowed. It can accumulate in the bowels which ultimately becomes lethal to the animal. * In most households poly bags are used to preserve food items. Reused bag may be contaminated by materials harmful to human health.
When polyethylene (polythene) is burned, carbon dioxide (CO2) gas is formed. Burning polyethylene releases harmful gases and should be avoided to protect the environment.
Polythene.
The polymer "polythene".
This monomer is ethene (or ethylene) - C2H4.
Trillions of polythene bags are used world over every year.They persist on this earth to haunt us and our generations for centuries.Polythene chokes the drains, the water bodies, pollutes the land and poisons us slowly but surely..Even mowed grass cannot escape the polythene menace.Polythene has been recovered from the rumen of countless cattle and is a major threat to animals also.Polythene pollution is an epidemic now.Polythene is indestructible. One particle of polythene is further made of many particles.If we continue to use polythene, the earth would become polluted on an alarming rate.