What are the characteristics of ecological and environmental problems?

Ecological and environmental problems refer to the phenomenon that the structure and function of the ecosystem are seriously out of balance due to the destruction of the ecological balance, thus threatening the survival and development of human beings. Ecological and environmental problems include soil erosion, land desertification, reduction of forest and grassland resources, and reduction of biodiversity.

Ecological and environmental problems refer to the phenomenon that the structure and function of the ecosystem are seriously out of balance due to the destruction of the ecological balance, thus threatening the survival and development of human beings.

Ecological and environmental problems can generally be divided into 2 categories:

1) Damage to the ecological environment caused by the irrational exploitation and utilization of natural resources. Soil erosion, grassland degradation, soil desertification, salinization, swamping, destruction of wetlands, sharp reduction of forest and lake area, destruction of mineral resources, depletion of wild animals and plants and aquatic biological resources, reduction of biodiversity, frequent droughts and floods, pollution of water bodies, and the spread of epidemics due to blind reclamation of wasteland, indiscriminate deforestation, overgrazing, predatory fishing, indiscriminate mining, inappropriate construction of water conservancy projects or irrational irrigation, etc.

2) Environmental pollution such as "three wastes" (waste water, waste gas, waste residue), noise pollution, and pesticide pollution caused by urbanization and the high development of industry and agriculture.

Ecological and environmental problems include soil erosion, land desertification, reduction of forest and grassland resources, and reduction of biodiversity.

2. Purpose meaning.

Saving energy resources and protecting the ecological environment are the inherent requirements for thoroughly implementing the scientific concept of development and achieving sustainable development. In the current critical period of consolidating economic development, stabilizing and improving, all regions and departments must take more powerful measures, adhere to the energy conservation and emission reduction in a more prominent and important position, accelerate the development of renewable energy such as solar energy, accelerate the development of clean coal, smart grids, new energy vehicles, carbon capture and other technologies, accelerate the pace of building energy conservation, cultivate new economic growth points characterized by intensive and economical utilization of energy resources, and provide new inexhaustible impetus for the realization of sustainable economic and social development.

Saving energy resources and protecting the ecological environment are the focus of attention of all countries in the world. In recent years, the world's energy consumption has increased dramatically, the ecological environment has been deteriorating, especially greenhouse gas emissions have led to increasingly severe global climate change, and the sustainable development of human society has been seriously threatened. As a major energy consumer, China has few per capita resources and small environmental capacity, so saving energy resources and protecting the ecological environment is an inevitable choice for thoroughly implementing the scientific concept of development and promoting the construction of ecological civilization.

China has attached great importance to the conservation of energy resources very early, and proposed that we should establish production and consumption methods that meet the requirements of sustainable development, optimize the energy structure, promote industrial upgrading, and strive to build a resource-saving and environment-friendly society; It is required that the construction of a resource-saving and environment-friendly society must be placed in a prominent position in the development strategy of industrialization and modernization, and implemented in every unit and every family. Nowadays, saving energy resources and protecting the ecological environment have become more and more conscious actions in all aspects.

Arduousness, long-term and complexity are the characteristics of ecological and environmental problems. Ecological and environmental problems refer to the ecological balance.

The phenomenon of destruction that leads to serious imbalance in the structure and function of ecosystems, thus threatening the survival and development of human beings.

In the final analysis, the problem of ecological environment is a problem of the mode of economic development. There is a relationship of interest between man and nature. Nature influences society through its processes and forces, directly or indirectly acting on society by itself or with the participation of man. Causes of ecological and environmental problems:

1) The irrational development and utilization of resources is the main reason for the deterioration of the ecological environment.

2) The long-term insufficient investment in ecological environmental protection and construction is also an important reason for the deterioration of the ecological environment.

3) The awareness of environmental protection is not strong, the emphasis is on development over protection, construction over maintenance, and the predatory and extensive development and utilization of resources is adopted, which exceeds the carrying capacity of the ecological environment.

4) Historically, there has been a lack of awareness of protecting the ecological environment.

5) Overemphasis on engineering measures and neglect of biological measures.

6) Some ecological construction projects ignore the natural environment of the western region.

Peculiarity. 7) Weak supervision of departments and units, lax law enforcement, and poor management have led to many phenomena of ecological and environmental destruction, which have exacerbated the degradation of the ecological environment.

Ecological and environmental problems are more prominent: soil erosion, land desertification, reduction of forest and grassland resources, and reduction of biodiversity. According to the classification, it can be divided into three categories:

1. Ecological damage caused by irrational exploitation and utilization of natural resources. 2. Environmental pollution. "Three wastes" pollution, noise pollution.

Pesticide pollution, global warming.

Acid rain pollution, ozone layer depletion. 3. Shortage of resources. Water shortage, land resource shortage, etc.

Ecological and environmental problems refer to the phenomenon that the structure and function of the ecosystem are seriously out of balance due to the destruction of the ecological balance, thus threatening the survival and development of human beings. It is of great significance to save energy resources and protect the ecological environment.

What should be done to protect the ecological environment:

1. For steel and electrolytic aluminum.

Cement and other high-energy-consuming and high-emission industries should take measures to control the increment, adjust the stock, put the big on the small, support the good and eliminate the inferior, and support enterprises to focus on energy conservation and emission reduction.

Accelerate technological transformation and further improve policies and measures to promote the exit of backward production capacity.

2. Do a good job in the construction of key projects for energy conservation and emission reduction and water pollution control in key river basins. Promote the use of new technologies, new processes and new products for energy conservation and environmental protection, and promote mineral resources.

Recycling of water resources and recycling.

3. In accordance with the principle of who pollutes, who governs, who invests, and who benefits, enterprises should be urged to carry out pollution control, ecological restoration and environmental protection.

4. It is necessary to continue to carry out extensive and in-depth national actions for energy conservation and emission reduction, and vigorously promote healthy, civilized, energy-saving and environmentally friendly production methods.

China's ecological and environmental problems include air pollution is very serious, water pollution is very prominent, noise and solid waste are aggravated, and the ecological environment is deteriorating day by day.

First, air pollution is very serious. The annual average daily concentration of total suspended particulates in urban areas is 320 microgram cubic meters, and in seriously polluted cities, it exceeds 800 microgram cubic meters, nearly 10 times higher than the World Health Organization standard. The five cities of Beijing, Shenyang, Xi'an, Shanghai and Guangzhou, all of which participated in the global air monitoring, ranked among the 10 most polluted cities among the more than 50 cities monitored in the world.

The area covered by acid rain in the country has accounted for 29 of the country's land area, and the serious area of acid rain has crossed the Yangtze River and spread to the Yellow River Basin, and Qingdao has also monitored acid rain, causing economic losses of 14 billion yuan per year. Since the 90s of the 20th century, the acid rain area in central China, represented by Changsha, Ganzhou, Huaihua, Nanchang and other places, has become the most serious acid rain area in the country, with an average annual pH value of less than 4 0 and a frequency of acid rain higher than 90.

Second, water pollution is very prominent. Nearly half of the monitored river sections of the country's seven major river systems are seriously polluted, and 86 urban river sections exceed water quality standards. According to the monitoring of 29 rivers in 15 provinces and cities, 2,800 kilometers of rivers are basically extinct.

Of the 191 tributaries of the Huaihe River Basin, 80 percent of the water is black-green, more than half of the river sections have completely lost their use value, many factories along the river have been forced to suspend production, and crops have been wiped out in some areas. In July 1994, a major pollution accident occurred in the Huai River, and 200 million tons of sewage were discharged into the main stream, forming a 70-kilometer-long pollution belt, leaving more than 1.5 million people in Jiangsu and Anhui provinces without water to drink. Work stoppages, production stoppages and disputes caused by water pollution occur frequently in various places.

3. Noise and solid waste increase. 2 3 percent of the country's urban dwellers live in an environment with excessive noise standards. More than 7 billion tons of industrial solid waste and domestic garbage have accumulated, and the annual rate is still increasing at a rate of 6 to 700 million tons, and the phenomenon of garbage "besieging the city" is very common, and more than 150 million mu of cultivated land has been polluted.

Most of the hazardous wastes have not been effectively disposed of, and they are piled up at random, forming major environmental hazards.

Fourth, the ecological environment is deteriorating day by day. In some areas, the blind development of seriously polluting enterprises and the irrational exploitation of resources has caused serious environmental pollution and ecological damage, aggravated the destruction of vegetation, soil erosion, and desertification, and caused some areas with fragile ecological environment to fall into a situation where people and livestock have no drinking water and it is difficult for plants and trees to grow.

Air pollution, water pollution, garbage disposal, land desertification and sand disasters, soil erosion, drought and floods, biodiversity destruction, WTO and the environment, environmental problems in the Three Gorges Reservoir area, persistent organic matter pollution, etc.

Governance: To implement environmental protection work, it is necessary to rely on scientific mechanisms. The environmental protection working mechanism is responsible for the environmental quality of the jurisdiction, the environmental protection department implements unified supervision and management of the environmental protection work, and the relevant departments are responsible for the division of labor.

Ecological and environmental problems can generally be divided into three categories:

1) Ecological damage caused by the irrational exploitation and utilization of natural resources. It mainly includes the sharp decline of biological species, soil erosion, land desertification, etc.

2) Environmental pollution. For example, the "three wastes" (wastewater, waste gas, waste residue) pollution, noise pollution, pesticide pollution, etc., caused by urbanization and the high development of industry and agriculture; Global warming, acid rain pollution, ozone layer depletion.

3) Shortage of resources. Water shortage, land resource shortage, etc.

Ecological problems include: the drastic reduction of arable land, the increasing desertification of land, the scarcity and rapid reduction of forest resources, the degradation of grasslands, and biodiversity.

Decrease. 1. The area of cultivated land has decreased sharply.

There are many reasons for the loss of arable land, but the most serious is the construction of houses, factories, etc. In many rural areas, the phenomenon of deserted villages has emerged, which reflects the unscientific planning of rural construction.

2. Land desertification is becoming more and more serious.

The phenomenon of desertification of land is in the Northwest Territories.

In particular, these areas are already in an arid and semi-arid fragile ecological environment, and due to water scarcity, the diversity of flora and fauna is not as rich as in other regions. Coupled with human overexploitation, such as logging and deforestation, the ecological balance has been destroyed.

This leads to a decline in the fertility of the land, degradation of its quality, and eventually a desert.

3. Forest resources are scarce and decreasing sharply.

The lack of forest resources and the sharp reduction of forest land area are caused by excessive logging and land reclamation, deforestation, fires, pests and diseases. The loss of forest area has also exacerbated disasters such as soil erosion and desertification.

4. Grassland degradation.

That is, the decline of grassland vegetation. The main manifestations are the decrease of excellent forage species, the deterioration of the quality of various forage grasses, and the decrease of grass yield per unit area. Grassland degradation is a type of land degradation and is land desertification.

One of the main manifestations of the show.

5. Biodiversity is decreasing.

Biodiversity refers to a stable ecological complex formed by the regular combination of diverse organisms (animals, plants, microorganisms) within a certain range. This diversity includes the diversity of animals, plants, microorganisms, the diversity of genetic and variant species, and ecosystems.

diversity.