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Home IELTS Writing

Greenhouse gases trap energy from the Sun

9IELTS by 9IELTS
July 18, 2022
in IELTS Writing, Academic Writing Task 1, Process Diagram
Reading Time: 4 mins read
63
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» You should spend about 20 minutes on this task.

The following diagram shows how greenhouse gases trap energy from the Sun. Write a report for a university lecturer describing the information shown in the diagram. Summarise the information by selecting and reporting the main features and make comparisons where relevant.

» Write at least 150 words.

The following diagram shows how greenhouse gases trap energy from the Sun

Sample Answer 1

The diagram explains how sun-emitted energy gets trapped in our atmosphere due to the greenhouse effect. Logging of trees and fossil fuel-driven vehicles worsen the greenhouse effect.

Getting back to the details, sunlight that reaches the earth’s surface creates heat, and a large portion of this heat was supposed to radiate back to Space without any hindrance. However, this is not the case; a significant proportion of heat energy remains on earth due to different greenhouse gases. Though some sunlight is reflected off our atmosphere for the presence of the white cloud in the sky, a large portion of the heat created by sunlight rays does not leave the surface.

Tree logging is a reason for the enhanced greenhouse effect as less tree means less absorption of CO2, which is the main gas of the greenhouse problem. Another aspect that enhances the average surface temperature by contributing to the greenhouse phenomenon is a fossil fuel. This fuel is used to run different water and Highland vehicles and is responsible for the increasing emission of carbon dioxide gas. It is evident that to reduce the average temperature generated by the greenhouse effect, and we need more trees and less use of fossil fuels to drive our cars and ships.             

Sample Answer 2

The diagram illustrates how greenhouse gases are produced and further how these gases trap heat from the sun.

One of the most common ways gases are released into the earth’s atmosphere is by using transport. The engine of a car, plane, motorised boat or other vehicle release toxic substances. The pollutants also meet with extra carbon dioxide, evacuated from power plants or factories which burn fossil fuels, forming a cluster of man-made pollutants. The process is also fastened by the marring deforestation, which logs trees that could have absorbed the man-produced carbon dioxide.

The second stage occurs in the atmosphere, where a part of the energy received from the sun should be reflected to outer space. Instead, greenhouse gases trap the heat, warming up the environment.

Overall, it is easy to notice that pollution is a complex process with roots in mankind’s actions.

Sample Answer 3

This diagram vividly describes how greenhouse gases trap energy from the sun.

The regular and natural cycle should be that the sun’s energy could penetrate the clean atmosphere and reach earth. Subsequently, the earth will absorb a proportion of heat energy, while the rest will be radiated into space.

However, the diagram shows that the probable intervention from human activities has negatively affected this natural cycle. Many vehicles, such as tracks, cars, and industrial factories, from burning fossil fuels generate significant extra carbon dioxide. The extra carbon dioxide is infused into the air, forming some thick clouds filled with pollutant substances, which could significantly prevent the penetration of the sun’s energy from arriving on earth. As a result, the sun’s energy is reflected off the atmosphere. On the other aspect, the heat energy emitted by the earth will also be blocked by greenhouse gases from entering space, which will lead to that unhealthy and pollutant air getting denser and denser. What’s worse, due to the continuous felling of trees that absorb carbon dioxide existing in the air, the pollutant air could not be purified effectively.

In conclusion, this diagram shows us in a clear way how human activities block the sun’s energy by generating too many greenhouse gases.

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