What is Global Warming?
In recent years, the average temperature of the earth we live in has been getting higher and higher.
This is because ” greenhouse gases ” such as carbon dioxide (CO2) have increased too much in the atmosphere. This “greenhouse gas” surrounds the earth like vinyl in a greenhouse and warms the earth. If no greenhouse gases are left on the earth, the temperature of the earth will be about minus 18 degrees Celsius. , The average temperature of the earth is kept at about 15 ℃, which makes it comfortable for living things.
However, in recent years, due to human activity, a large number of greenhouse gases have been released into the atmosphere, raising the temperature of the earth and destroying the balance of the natural world. This is global warming.
If greenhouse gases continue to increase at this speed and temperature rises, the global environment will deteriorate and our lives and health will be seriously damaged.
When greenhouse gases increase …
Energy from the sun reaches the surface of the earth and warms the surface. The heat of the sun (infrared rays) is emitted from the warmed surface of the earth and returns to space again, but a part of it is absorbed by the “greenhouse gas” that surrounds the earth and warms the earth. ..
If the amount of greenhouse gases increases, the heat of the sun (infrared rays) from the surface of the earth will be less likely to be emitted, and the earth will become full of heat.
A typical greenhouse gas is carbon dioxide.
Carbon dioxide is produced mainly by burning fossil fuels (coal, oil, natural gas, etc.). For example, a large number of fossil fuels are used to produce energy such as electricity that is essential for our lives, and a large amount of carbon dioxide is emitted. Also, if you drive a car, it will burn fossil fuel gasoline, so carbon dioxide will be generated here as well. In other words, as our lives become more convenient because we are surrounded by many electric appliances, such as air conditioners, TVs, and refrigerators, and we can go anywhere in the car anytime, a large amount of carbon dioxide will be consumed on the earth. It will be emitted, accelerating global warming.
Freon, which is used as a refrigerant in air conditioners and refrigerators, and methane emitted from raw garbage and paddy fields are also greenhouse gases that cause global warming.
Greenhouse gas is increasing in this way
Carbon dioxide emissions from homes are increasing
When making electricity to use these appliances, a lot of carbon dioxide is emitted.
An increase in the number of cars and mileage greenhouse gas emissions from automobiles increases as the number of automobiles increases and as the roads become congested.
Furthermore, tropical rainforests and other forests that absorb carbon dioxide and emit oxygen are being cut down due to the expansion of farmland and are being lost from the earth. The decrease in the amount of carbon dioxide absorbed from the forest due to the decrease in the forest is another cause of the continued increase in greenhouse gases.
What happens to the earth as global warming progresses?
According to a report from the IPCC (an intergovernmental panel on climate change, an international organization whose specialization is conducting research on global warming), if global warming continues, the global warming will continue by about 2100. The temperature is said to rise by 1.1 to 6.4 ° C. It is said that the sea level will rise by 18 to 59 cm.
As global warming progresses, it can cause glaciers to decline, sea levels to rise, abnormal weather, etc., and also have a significant impact on our health.