A large number of acidic, alkaline, toxic substances, waste water containing mercury, lead and cadmium discharged from domestic garbage are generated in the process of garbage stacking or landfill, which seeps into surface water or groundwater, causing the water body to be black and smelly, the shallow groundwater can not be used, and the water quality deteriorates. 60% of rivers in China are polluted by ammonia nitrogen, volatile phenol and permanganate, and fluoride seriously exceeds the standard, and the water body loses its self-purification function, which affects the reproduction of aquatic organisms and the utilization of water resources.

2. pollute the atmosphere?

Fine solid waste will fly with the wind, which will aggravate air pollution. The site where a large amount of garbage is piled up in the open air stinks, rats are infested, mosquitoes and flies breed, and a large number of harmful gases such as ammonia and sulfide are released into the atmosphere. There are more than 65,438+000 kinds of organic volatile gases alone, including many carcinogens and teratogens.

3, a large number of occupation?

Garbage occupies valuable land resources and living space, which seriously affects industrial and agricultural production and life. A large amount of garbage destroys the vegetation on the earth's surface, which not only affects the beauty of the natural environment, but also destroys the ecological balance of nature. ?

4, cause heavy metal poisoning

According to experts, mercury is a highly toxic heavy metal, which has great destructive power to the human central nervous system. At present, the mercury content of mercury-containing alkaline dry batteries produced in China is 1%~5%, and that of neutral dry batteries is 0.025%. China's battery production consumes dozens of tons of mercury every year. Cadmium is easy to cause chronic poisoning in human body, the main symptoms are emphysema, osteomalacia and anemia, which is likely to paralyze people and interfere with renal and reproductive functions.

5. spreading diseases?

Garbage contains a large number of microorganisms, which are breeding grounds for germs, viruses and pests, and seriously endanger human health.

Extended data:

Garbage classification standard:

In order to promote the classified reduction of domestic garbage and improve the living environment, these measures are formulated in accordance with the People's Republic of China (PRC) Law on the Prevention and Control of Environmental Pollution by Solid Wastes, the Regulations on the Administration of City Appearance and Environmental Sanitation, the Regulations on the Administration of City Appearance and Environmental Sanitation of Shanghai and other laws and regulations, combined with the actual situation in Shanghai. Classification standard of domestic waste:

1, recyclable

Refers to waste plastics, waste paper, waste glass, waste metal and other wastes suitable for recycling and resource utilization;

2. Hazardous waste

Refers to waste nickel-cadmium batteries, waste drugs and other wastes that are listed in the national hazardous waste list and cause direct or potential harm to human health or the natural environment and should be specially disposed of;

Step 3: Wet garbage

Refers to perishable organic waste, such as vegetable leaves, fruit shells and food residues;

Step 4 dry garbage

Refers to other domestic wastes except recyclables, hazardous wastes and wet wastes.

References:

Baidu encyclopedia-garbage pollution

References:

Baidu Encyclopedia-Measures to Promote Domestic Waste Classification and Reduction in Shanghai

References:

Baidu encyclopedia-garbage

References:

People's Network-Where should the expired drugs and waste light bulbs that are harmful to the environment be thrown?