People need to breathe air to keep alive. An adult breathes about 20,000 times a day and inhales 1.5 ~ 20 cubic meters of air. Therefore, polluted air has a direct impact on human health.
Air pollutants do harm to human body in many ways, such as respiratory system damage, physiological dysfunction, digestive system disorder, nervous system abnormality, mental decline, cancer, disability and so on. People call the smoke of this disaster "the smoke of killing".
When the concentration of pollutants in the atmosphere is high, it will cause acute pollution poisoning, or aggravate the symptoms, and even kill thousands of people within a few days. In fact, even if the concentration of pollutants in the atmosphere is not high, breathing this polluted air all the year round will cause chronic bronchitis, bronchial asthma, emphysema, lung cancer and other diseases.
2. Garbage pollution
In garbage, toxic gases drift with the wind, and the contents of sulfur dioxide and lead in the air increase, which increases the incidence of respiratory diseases and is harmful to human body. Excessive pollutants in groundwater lead to diarrhea, schistosomiasis and trachoma. For example, there is a dysentery epidemic in Guiyang, which is caused by groundwater being infiltrated by garbage and Escherichia coli exceeding the standard seriously.
3. Water pollution
Harm to people, if people drink polluted water, it will cause acute and chronic poisoning, cancer, infectious diseases and other strange diseases. Sensory deterioration caused by polluted water will bring inconvenience to people's lives and adversely affect people's emotions.
Extended data:
Countermeasures
1. Guide enterprises to develop in the direction of clean production and green production, change backward production methods, change extensive production into energy-saving intensive production, put an end to high-pollution and low-benefit project construction, and control the total amount of garbage pollutants.
In particular, the disposal of toxic and harmful substances should be based on the principles of safety, prudence and enterprise recycling. Wastes with useful value are not allowed to be wasted and discarded, so as to make the best use of them and recycle them. Wastes of no use value must be treated harmlessly before they can be buried or burned.
2. Intensify publicity to promote green consumption. Through television, media and other channels, we will publicize the hazards of garbage pollution in various forms, popularize environmental protection knowledge, publicize laws and regulations, and raise environmental awareness.
Residents should collect garbage separately, consciously reduce the amount of garbage produced, and actively use degradable items, such as paper products and wood products, so that the work of garbage reduction is in the ascendant. Try to buy and use green certified products and pollution-free products, and form a good atmosphere in which green enters the family and families love environmental protection. Implement a charging policy.
References:
Baidu encyclopedia-environmental pollution
References:
Baidu encyclopedia-garbage pollution
References:
Baidu encyclopedia-water pollution
Edited on 2020- 10- 17.
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What are the environmental problems around us that endanger people's health?
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What are the environmental problems around us that endanger people's health?
1. air pollution: the phenomenon that some substances enter the atmosphere due to human activities or natural processes and show sufficient concentration in a sufficient time, thus endangering human comfort, health and welfare or the environment; The impact of air pollution on human body is firstly uncomfortable, then the physiological reversible reaction, and then the acute harmful symptoms. The harm of air pollution to people can be roughly divided into three types: acute poisoning, chronic poisoning and carcinogenesis. 2. Water pollution: Water pollution is water that pollutes the environment because harmful chemicals reduce or lose the use value of water; Water pollution affects industrial production, increases equipment corrosion, affects product quality, and even makes production impossible. Water pollution affects people's lives, destroys ecology, directly harms people's health and causes great damage. 3. Noise pollution: From a physiological point of view, any sound that interferes with people's rest, study and work, as well as the sound you want to hear, that is, the unwanted sound, is collectively called noise. When noise has a bad influence on people and the surrounding environment, noise pollution is formed. 4. Solid waste pollution: People living in the environment can directly ingest harmful waste from the respiratory tract, digestive tract or skin through the media such as the atmosphere, water and soil, causing diseases. 5, computer radiation: radiation is not the number one factor leading to hair loss. Using the computer for too long is the key to hair loss: if you concentrate on using the computer for too long, your brain will be more excited and your endocrine will be disordered. Sebaceous glands connected with hair follicles will secrete too much, leading to hair follicle embolism, blocked hair nutrition supply, brittle hair and hair loss. For slight hair loss, it can be alleviated by reducing computer use time and adjusting lifestyle.
27 like 759 to browse 2020- 10-28
What are the environmental problems around us that endanger people's health?
1, air pollution hazards: air pollutants are harmful to human body in many ways, mainly manifested in respiratory diseases and physiological dysfunction, as well as irritation to mucous membranes such as eyes and nose, which are chronic factors leading to asthma in the elderly, and insufficient lung qi leads to physical decline. When the concentration of pollutants in the atmosphere is high, it will cause acute pollution poisoning, or aggravate the symptoms, and even kill thousands of people within a few days. In fact, even if the concentration of pollutants in the atmosphere is not high, breathing this polluted air all the year round will cause chronic bronchitis, bronchial asthma, emphysema, lung cancer and other diseases. 2. Harm of water pollution: According to the investigation of international authoritative organizations, in developing countries, 80% of all kinds of diseases are spread by drinking unsanitary water, which causes at least 20 million deaths worldwide every year. Therefore, water pollution is called "the world's number one killer". 3, noise pollution hazards: the most direct harm of noise to the human body is hearing loss. When people enter a strong noise environment and are exposed for a period of time, they will feel uncomfortable in both ears and even have a headache. Because noise acts on the central nervous system of the brain through the auditory organs and affects all organs of the whole body, noise will not only damage people's hearing, but also bring harm to other systems of the human body. Due to noise, there will be neurasthenia symptoms such as headache, brain swelling, tinnitus, insomnia, general fatigue and memory loss. Extended data:
The environmental situation in China is 1, and the air pollution belongs to soot pollution, among which dust and acid rain are the most harmful, and the pollution degree is getting worse. 2. Acid rain is mainly distributed in the south of Yangtze River, east of Qinghai-Tibet Plateau and Sichuan Basin. Acid rain pollution is the most serious in central China. 3. The water in rivers, lakes and reservoirs is generally polluted to varying degrees. Except for some inland rivers and large reservoirs, pollution is increasing, especially in the waters near industrially developed towns. 4. Among the seven major water systems (Pearl River, Yangtze River, Yellow River, Huaihe River, Hailuan River, Liaohe River and Songhua River), the Yellow River Basin, Songhua River and Liaohe River Basin are seriously polluted by water. 5. The pollution of total phosphorus and total nitrogen in large freshwater lakes is extensive and eutrophication is serious. 6. The Bohai Sea and the East China Sea are seriously polluted, while the South China Sea is relatively light. 7. The deterioration of the ecological environment in fishery waters has not fundamentally changed, and there is an increasing trend. Baidu Encyclopedia-Protecting the Environment
180 likes 1, 722 browses 2020- 10-24.
What are the environmental pollutions around us and what harm do they do to us?
What are the environmental pollutions around us and what harm do they do to us? There are rewards for writing answers ***8 answers mxhg222 knows about partner educators and talks about becoming the 696th fan. When it comes to environmental pollution, people will inevitably think of muck, waste gas, waste water, floating dust and noise in the streets. However, science shows that the most serious environmental pollution does not come from factories or streets, but from their own side. With the improvement of people's living standards, people have a more scientific understanding of their own quality of life and living environment. Environmental awareness is also increasing. The environment is closely related to us, and we can't live without it. Pollution is all around us, in your office, home environment and outdoor environment. (1) Kitchen pollution: suspended particles, sulfur dioxide, carbon monoxide, nitrogen oxides, hydrocarbons, etc. produced by burning coal and gas in the kitchen are all extremely harmful gases to human body. In addition, when cooking or frying food, acrolein, a colorless and harmful gas, can also make people cry, have difficulty breathing and raise blood pressure. (2) Bedroom pollution: After people get up in the morning, the indoor floating dust concentration is 2-5 times higher than that outside. These floating dust mainly come from people's wearing, undressing, bedding and skin shedding. It can invade human body through respiratory tract, or deposit in alveoli, or be absorbed into blood and lymph, causing potential harm to human body.
26 Like 18896 Browse 2020-09-07
What are the environmental problems around us and what are the hazards to people's health?
1, air pollution air pollutants do harm to human body in many ways, mainly in respiratory diseases and physiological dysfunction, as well as irritation to mucous membranes such as eyes and nose. 2. Water Pollution If you drink polluted water pollutants, they will enter our bodies, causing acute or chronic poisoning and various infectious diseases. The atmospheric environment in China is facing a very severe situation, and the total amount of air pollutants discharged remains high. 20 1 1 year, the annual emission of sulfur dioxide in China is as high as18.57 million tons, dust1/kloc-0.59 million tons, industrial dust1/kloc-0.75 million tons, and the air pollution is still very serious. The atmospheric environmental quality of most cities in China has exceeded the national standards. Among the 47 key cities in China, more than 70% of the cities' atmospheric environmental quality can't meet the second-class standard stipulated by the state. Among the 338 cities participating in environmental statistics, there are 137 cities whose air environmental quality exceeds the national third-class standards, accounting for 40% of the statistical cities, which are seriously polluted cities. Air pollution is the biggest environmental pollution problem in China. The pollution levels of the seven major water systems in China are: Liaohe River, Haihe River, Huaihe River, Yellow River, Songhua River, Pearl River and Yangtze River, among which 42% of the water quality exceeds Class III standard (can not be used as drinking water source), and 36% of the urban river sections in China are inferior to Class V water quality, which has no use value. The water quality of large freshwater lakes (reservoirs) and urban lakes is generally poor. The Yellow River has been cut off for many times, and more than 75% of the lakes are more eutrophic, which is mainly caused by nitrogen and phosphorus pollution. Baidu Encyclopedia-Top Ten Environmental Problems in China
175 likes 3,206 browsing 2020- 10-29
What are the environmental problems around us? What is the harm to people's health?
Use rare animals and protect animals, and cherish and protect wild animals and plants; Afforestation, care for every inch of green space, every flower and every tree around you. Saving water advocates washing your face with a washbasin, and the water after washing your face or clothes is used to water flowers and wash mops. Take good care of water-saving facilities, turn off the faucet and consciously cherish the water source. In order to save electricity, it is suggested to use natural light as much as possible, turn off electric equipment such as lights and computers at will, cut off power in time after use, reduce standby loss and use electrical appliances reasonably. For green consumption, use disposable paper cups as little as possible. It is recommended to bring your own water cups and use disposable plastic bags less. It is recommended to use cloth bags, which can be used many times to reduce "white pollution". Don't throw garbage on the ground, try to put it in a nearby trash can, but pay attention to garbage classification. Try to reuse mineral water bottles. Less cutting and destruction, more protection and support, protect the small creatures in the forest and let their lives continue. Use rare animals and protect animals, and cherish and protect wild animals and plants; Afforestation, care for every inch of green space, every flower and every tree around you. Saving water advocates washing your face with a washbasin, and the water after washing your face or clothes is used to water flowers and wash mops. Take good care of water-saving facilities, turn off the faucet and consciously cherish the water source. In order to save electricity, it is suggested to use natural light as much as possible, turn off electric equipment such as lights and computers at will, cut off power in time after use, reduce standby loss and use electrical appliances reasonably. For green consumption, use disposable paper cups as little as possible. It is recommended to bring your own water cups and use disposable plastic bags less. It is recommended to use cloth bags, which can be used many times to reduce "white pollution". Don't throw garbage on the ground, try to put it in a nearby trash can, but pay attention to garbage classification. Try to reuse mineral water bottles. Cut down less, destroy more, protect and support the small creatures in the forest, and let their lives continue.
64 Zan 6 16 Browse 2020-09- 10
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