Why is the climate warming, and the reasons why the climate is warming

As a result of the Earth's rotation The Earth turns from west to east, and it will have different distances from the Sun.

Greenhouse benefits from increased carbon dioxide.

Changes in the climate at the regional level are closely related to human life. Through the observation and study of global climate, scientists have found that the global average temperature has increased in the past 100 years, and the trend of warming is intensifying. This discovery has attracted a lot of attention.

In 1989, the United Nations Environment Programme also put"Be vigilant, global warming"Listed as the current year"World Environment Day"theme.

How? Why is the global climate warming?

Hum? The factors of climate change are complex, but in general they can be divided into two aspects: natural and man-made. Natural factors are:

the movement of the sun, including sunspots, sunspots, yorts, etc.; The movement of the earth, including the formation, disappearance and movement of glaciers, the change of cold and warm currents, volcanic eruptions, etc.; Causes of the universe, such as periodic changes in the tilt of the ecliptic, changes in the speed of rotation of the earth, etc.

Song Song? Factors refer to the irrational activities of human beings themselves. For example:

With the development of industry, factories burn a large amount of coal, oil, natural gas and other fossil fuels, which increases the carbon dioxide content in the atmosphere; People cut down forest trees and overgraze grasslands, resulting in a significant reduction in forests and pastures that can inhale carbon dioxide and exhale oxygen, further increasing carbon dioxide ......Carbon dioxide gas acts as a barrier to prevent heat loss from the ground, and the greenhouse effect occurs when the amount of carbon dioxide in the atmosphere increases. As a result, sunlight can reach the earth, but the heat on the earth is not easily lost to the universe, and the climate on the earth warms.

Causes of climate warming: 1. Solar activity; 2. Reduced cloud cover; 3. Greenhouse gases.

4. Cutting down primeval forests.

5. Carbon emissions.

As the global environment changes, our climate is getting warmer and warmer, and if you look closely, you can see that winters are not as cold as they used to be. What are the causes of climate warming? Let's give you a specific introduction.

Details: Solar activity: Some experts believe that the current climate warming is related to the solar cycle and has little to do with human activities. Russian scientists believe that the warming cycle of Mars and Earth coincides, and the main reason is the sun.

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Reduced cloud cover: Changes in solar activity can alter the cloud cover above the Earth, amplifying the Sun's influence on the Earth, which can influence climate change. They speculated on the cosmic rays that were shooting at Earth.

It can ionize part of the atmosphere more stably, making it easy for clouds to generate, thereby absorbing a large amount of radiation from the sun and lowering the earth's temperature.

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Greenhouse gases: The Earth's climate is warming.

and the large amount of greenhouse gases emitted by humans, resulting in the greenhouse effect.

Relate. The greenhouse effect is responsible for global warming.

The main reason for this is that scientists have examined the correlation between the increase in carbon dioxide emissions and the rise in temperature over the past 100 years.

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Deforestation: Another cause of global warming is the indiscriminate deforestation of primary forests, which reduces the ability to absorb carbon dioxide from the atmosphere.

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Carbon emissions: The average temperature of the Earth's surface has risen by degrees Fahrenheit since 1975.

Global warming caused by the greenhouse effect.

It has become the focus of the world's attention. It has long been accepted in academia that carbon dioxide produced by burning coal, oil, natural gas, etc., is the culprit responsible for global warming. However, after decades of observation and research, Dr. James Hansen from the Goddard Space Research Institute in the United States put forward a new view, arguing that greenhouse gases are not mainly carbon dioxide, but carbon particles and dust.

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Because the sun has been bitten, and the lava has flowed.

Climate warming mainly includes two aspects: human factors and natural factors.

Human causes. 1.Factors of population growth.

The rapid increase in population is one of the main factors contributing to global warming. At the same time, it also seriously threatens the balance between the natural ecological environment. With such a large number of people, the amount of carbon dioxide emitted by itself each year alone will be a staggering figure, and the result will directly lead to the continuous increase of carbon dioxide content in the atmosphere, and the resulting carbon dioxide "greenhouse effect" will directly affect the climate change on the earth's surface.

2.Atmospheric environmental pollution factors.

The increasing severity of environmental pollution has become a major global problem and one of the main factors leading to global warming. In the 21st century, research on global climate change has clearly pointed out that the temperature of the Earth's surface has begun to rise since the end of the last century.

Natural factors. 1.Volcanic activity.

2.The Earth's periodic orbit changes.

The periodic orbit of the Earth changes from an elliptical to a circular trajectory, which is closer to the Sun. According to a scientist's research, the temperature of the earth has alternated between high and low temperatures, and there is a certain regularity.

1. Factors of rapid population growth The rapid increase in population in recent years is one of the main factors leading to climate warming. At the same time, it also seriously threatens the balance between the natural ecological environment. With such a large number of people, the amount of carbon dioxide emitted by itself every year alone will be a staggering figure, and as a result, the amount of carbon dioxide in the atmosphere will continue to increase, and the resulting carbon dioxide "greenhouse effect" will directly affect the climate change on the earth's surface.

Climate warming --- a factor of atmospheric environmental pollution.

2. Factors of atmospheric environmental pollution At present, the increasingly serious environmental pollution has constituted a major global problem, and it is also one of the main factors leading to climate warming. Research on climate change has now clearly shown that the temperature of the Earth's surface has begun to rise since the end of the last century.

3. Factors for the deterioration of the marine ecological environment At present, the change of sea level is showing a continuous upward trend, according to the relevant experts, the sea level may rise by 50cm by the middle of the next century. If measures are not taken, it will directly lead to the destruction and pollution of freshwater resources. In addition, a large amount of toxic chemical waste and solid waste generated by land-based activity sites are continuously discharged into the ocean; Major oil spills (leaks) in seawater and the destruction of the ecological environment in coastal areas caused by human activities are the main factors leading to the destruction of the seawater ecological environment.

4. Land erosion, desertification and other destructive factors.

5. Factors of sharp decline of forest resources In the world, the forest area is declining sharply due to natural or man-made factors.

6. Hazards of acid rain The impact of acid rain on the ecological environment has attracted more and more attention from all over the world. Acid rain can destroy forests, acidify lakes, endanger life, etc. At present, the world's acid rain is mostly concentrated in Europe and North America, most of the acid rain occurs in developed countries, some developing countries, acid rain is also occurring and developing rapidly.

Climate warming --- water pollution factor.

7. Factors for accelerating the extinction of species Organisms on the earth are a precious resource for human beings, and biological diversity is the basis for human survival and development. But at present, the biological species on the planet are disappearing at an unprecedented rate.

8. Water pollution factors According to the water quality monitoring project of the Global Environmental Monitoring System, about 10% of the world's monitoring river water is polluted, and since the beginning of this century, human water consumption is increasing sharply, and the scale of water pollution is also expanding, which forms a contradiction between the supply and demand of fresh fresh water. It can be seen that the treatment of water pollution will be very urgent and important.

9. Toxic waste pollution factors The growing number of toxic chemicals not only poses a serious threat to the survival of human beings, but also harms the ecological environment on the earth's surface.

10. Changes in the periodic orbit of the Earth.

Mainly because of the greenhouse effect. Industrial civilization has brought a lot of greenhouse gas emissions. The inverse radiation of the atmosphere is enhanced. It's like changing the quilt with the earth. so。。。

As for the sunspots, they only erupt intermittently, which only affects the radiation reaching the Earth and changes in natural phenomena.

What are the causes of global warming?

Here's why: people cut down trees in large quantities, making carbon dioxide more than the main reasons for global warming: the destruction of the atmosphere, severe pollution, and the greenhouse effect Global warming may have exacerbated climate change otherwise before.