IELTS Writing Task 2: Sample Essays on Nuclear Energy as a Sustainable Power Source for Band 6 to 8

Nuclear energy has been a recurring topic in IELTS Writing Task 2 over the years, often appearing in questions related to environmental issues, energy sources, and technological advancements. Given the ongoing global debate about sustainable energy solutions, it’s highly likely that this theme will continue to be featured in future IELTS exams. Let’s examine a recent question that aligns closely with this topic:

Some people think that nuclear energy is the best solution to the world’s increasing demand for energy. Others argue that nuclear power is too dangerous and we should use more renewable energy sources such as wind and solar power. Discuss both views and give your own opinion.

This question encapsulates the core debate surrounding nuclear energy as a sustainable power source. Let’s analyze the question and provide sample essays for different band scores.

Question Analysis

This question requires candidates to:

1. Discuss the viewpoint that nuclear energy is the best solution for increasing energy demand.
2. Discuss the opposing view that nuclear power is too dangerous and renewable sources are preferable.
3. Provide their own opinion on the matter.

The question touches on several key aspects of The benefits and drawbacks of nuclear energy as a power source, making it crucial for test-takers to demonstrate a balanced understanding of the topic.

Sample Essay 1 (Band 8)

In recent years, the debate over the most suitable energy source to meet the world’s growing demand has intensified, with nuclear power emerging as a contentious option. While some advocate for nuclear energy as the optimal solution, others argue for a shift towards renewable sources like wind and solar power. This essay will examine both perspectives before presenting my own viewpoint.

Proponents of nuclear energy argue that it offers a reliable and efficient means of generating large amounts of electricity with minimal carbon emissions. Nuclear power plants can operate continuously, providing a stable baseload power supply that is not dependent on weather conditions. Furthermore, advancements in nuclear technology have significantly improved safety measures, reducing the risk of accidents. These factors make nuclear energy an attractive option for countries seeking to reduce their carbon footprint while meeting increasing energy demands.

On the other hand, critics of nuclear power emphasize the potential catastrophic consequences of nuclear accidents, citing disasters like Chernobyl and Fukushima. They argue that the long-term environmental and health risks associated with radioactive waste storage outweigh the benefits of nuclear energy. Instead, these opponents advocate for increased investment in renewable energy sources, which they view as safer and more sustainable in the long run. Wind and solar power, in particular, are highlighted as clean alternatives that can be rapidly deployed and scaled up to meet energy needs.

In my opinion, while nuclear energy does present certain risks, its potential as a low-carbon energy source cannot be ignored in the face of climate change. However, I believe that the optimal approach lies in a diversified energy strategy that incorporates both nuclear power and renewable sources. This balanced approach would allow us to leverage the strengths of each energy source while mitigating their respective drawbacks. Continued research into safer nuclear technologies, such as thorium reactors, alongside aggressive development of renewable infrastructure, could provide a sustainable solution to our energy challenges.

In conclusion, the debate over nuclear energy versus renewable sources reflects the complexity of addressing global energy needs while safeguarding the environment. A nuanced approach that combines the best aspects of both nuclear and renewable technologies, supported by rigorous safety standards and ongoing research, offers the most promising path forward in meeting the world’s increasing energy demands sustainably.

Debate on nuclear energy vs renewable sources

Essay 1 Analysis (Band 8)

This essay demonstrates several qualities that contribute to its high band score:

1. Task Response: The essay fully addresses all parts of the task, discussing both viewpoints and clearly presenting the writer’s own opinion.

2. Coherence and Cohesion: The essay is well-organized with clear paragraphing. It uses a range of cohesive devices effectively (e.g., “On the other hand,” “Furthermore,” “In conclusion”).

3. Lexical Resource: The writer uses a wide range of vocabulary accurately and appropriately (e.g., “contentious,” “baseload power supply,” “catastrophic consequences”).

4. Grammatical Range and Accuracy: The essay displays a wide range of grammatical structures used accurately and flexibly (e.g., complex sentences, passive voice, conditional statements).

5. Development of Ideas: Each main point is well-developed with relevant examples and explanations.

Sample Essay 2 (Band 6-7)

The question of whether nuclear energy is the best solution for the world’s increasing energy needs is a topic of much debate. Some people believe that nuclear power is the answer, while others think it’s too dangerous and we should use more renewable energy like wind and solar power. In this essay, I will discuss both sides and give my opinion.

Those who support nuclear energy say it can produce a lot of electricity without releasing much carbon dioxide. This is important because we need to reduce greenhouse gases to fight climate change. Nuclear power plants can also work all the time, unlike solar panels that only work during the day or wind turbines that need wind. This makes nuclear energy reliable for providing constant power to cities and industries.

However, people against nuclear power worry about its dangers. They remember accidents like Chernobyl and Fukushima, which caused a lot of damage and health problems. They also point out that nuclear waste is radioactive for thousands of years, and we don’t have a good way to store it safely for that long. These critics think we should focus on renewable energy sources instead. Wind and solar power are getting cheaper and more efficient, and they don’t have the same risks as nuclear power.

In my opinion, both nuclear energy and renewable sources have their pros and cons. I think we need a mix of different energy sources to meet our needs while also protecting the environment. We should continue to improve the safety of nuclear power plants and find better ways to deal with nuclear waste. At the same time, we should invest more in developing renewable energy technologies to make them more reliable and efficient.

To conclude, the debate about nuclear energy versus renewable sources is complex. While nuclear power can provide a lot of energy with low carbon emissions, it does have safety risks. Renewable energy is safer but currently less reliable. I believe the best approach is to use a combination of both, along with efforts to make all energy sources safer and more efficient.

Illustration of a balanced energy approach

Essay 2 Analysis (Band 6-7)

This essay demonstrates qualities that place it in the Band 6-7 range:

1. Task Response: The essay addresses all parts of the task, presenting both viewpoints and the writer’s opinion. However, the ideas could be more fully developed.

2. Coherence and Cohesion: The essay has a clear structure with introduction, body paragraphs, and conclusion. Some cohesive devices are used, but they are less sophisticated than in the Band 8 essay.

3. Lexical Resource: The vocabulary used is generally appropriate, but less varied and precise compared to the Band 8 essay. There are some good attempts at using topic-specific vocabulary.

4. Grammatical Range and Accuracy: The essay uses a mix of simple and complex sentence structures with generally good control. However, it lacks the flexibility and range seen in higher band scores.

5. Development of Ideas: Main points are supported with relevant ideas, but the level of detail and explanation is less than what would be expected for a Band 8 essay.

Key Vocabulary

1. Sustainable (adjective) /səˈsteɪnəbl/: Able to be maintained at a certain rate or level.

2. Renewable (adjective) /rɪˈnjuːəbl/: (of a natural resource or source of energy) not depleted when used.

3. Baseload power (noun phrase) /ˈbeɪsləʊd ˈpaʊə/: The minimum amount of electric power delivered or required over a given period at a constant rate.

4. Radioactive waste (noun phrase) /ˌreɪdiəʊˈæktɪv weɪst/: Waste that contains radioactive material.

5. Catastrophic (adjective) /ˌkætəˈstrɒfɪk/: Involving or causing sudden great damage or suffering.

6. Diversified (adjective) /daɪˈvɜːsɪfaɪd/: Showing a great deal of variety; very different.

7. Infrastructure (noun) /ˈɪnfrəstrʌktʃə/: The basic physical and organizational structures and facilities needed for the operation of a society or enterprise.

8. Contentious (adjective) /kənˈtenʃəs/: Causing or likely to cause an argument; controversial.

9. Efficiency (noun) /ɪˈfɪʃnsi/: The state or quality of being efficient.

10. Greenhouse gases (noun phrase) /ˈɡriːnhaʊs ˈɡæsɪz/: Gases that contribute to the greenhouse effect by absorbing infrared radiation.

In conclusion, the topic of nuclear energy as a sustainable power source is likely to remain relevant in IELTS Writing Task 2. Candidates should be prepared to discuss various aspects of this issue, including safety concerns, environmental impact, and comparisons with renewable energy sources. To practice, try writing your own essay on this topic or related ones, such as:

• The role of government in promoting clean energy solutions
• The economic impacts of transitioning to sustainable energy sources
• The challenges of implementing renewable energy on a large scale

Remember to focus on clear structure, balanced arguments, and precise language use. Feel free to share your practice essays in the comments section for feedback and further discussion on this importance of clean energy in mitigating climate change.