Why use biodegradable garbage bags

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Why use biodegradable garbage bags

Environmental protection plastic bag is the abbreviation of various biodegradable plastic bags. The reason why the country now advocates the use of environmental protection plastic bags should be analyzed from two aspects.

On the one hand, it is the reason for the shortcomings of the traditional PE plastic bag itself: the recycling value of the traditional PE plastic bag is low. In addition to the "visual pollution" caused by scattering in urban streets, tourist areas, water bodies, roads and railways, it also has potential hazards. The plastic has stable structure, is not easy to be degraded by natural microorganisms, and is not separated in the natural environment for a long time. This means that if the waste plastic waste is not recycled, it will become a pollutant in the environment, exist permanently and accumulate continuously, which will cause great harm to the environment:

First, it affects agricultural development. The continuous accumulation of waste plastic products mixed in the soil will affect the absorption of nutrients and water by crops, resulting in crop yield reduction.

Second, it poses a threat to the survival of animals. Waste plastic products discarded on land or in water are swallowed by animals as food, resulting in animal death. There are 20 herdsmen on the Bank of Qinghai Lake, nearly 1000 sheep died, and the economic loss is about 300000 yuan. Sheep like to eat oily residues wrapped in plastic bags, but they often eat them together with plastic bags. Because the plastic they eat stays in their stomach for a long time and is difficult to digest, these sheep's stomach is crowded and can no longer eat. Finally, they can only starve to death. Such things are common in zoos, pastoral areas, rural areas and oceans.

Third, waste plastics will not only occupy a large amount of land with the landfill

Land, and the occupied land cannot be restored for a long time, which affects the sustainable use of land.