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IELTS Free Online Writing Practice - Is climate change the greatest existential threat facing humanity?

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IELTS Writing Task 2 Topic: "Is climate change the greatest existential threat facing humanity?"

Model Answer:

In recent years, there has been an increasing concern about various threats to human existence, including nuclear war, pandemics, and climate change. Among these, the question arises as to whether climate change is the greatest existential threat humanity currently faces. While it is difficult to definitively rank the severity of each potential threat, it can be argued that climate change indeed poses a significant risk to our survival.

Firstly, climate change has the potential to disrupt ecosystems and food production systems on a global scale. As temperatures rise and weather patterns shift, crop yields are likely to decline, leading to food shortages and increased competition for resources. This could result in social unrest, political instability, and even conflicts over scarce resources, threatening the very fabric of human society. Furthermore, rising sea levels caused by melting polar ice caps could displace millions of people from coastal regions, creating massive refugee crises and putting a strain on already limited resources.

Secondly, climate change exacerbates existing environmental problems such as deforestation, desertification, and loss of biodiversity. As ecosystems collapse, the services they provide, such as clean water, air purification, and carbon sequestration, become less effective. This creates a vicious cycle where human activities contribute to climate change, which in turn exacerbates existing environmental issues, making it more difficult for humanity to mitigate the impacts of climate change.

Lastly, climate change is a slow-moving disaster that is already affecting vulnerable communities around the world, particularly in low-lying island nations and developing countries with limited resources to adapt to its effects. While other threats such as nuclear war or pandemics may seem more immediate and dramatic, they are also relatively unlikely compared to the steady, ongoing impacts of climate change. This gradual nature of climate change makes it difficult for societies to prepare and respond effectively, thereby increasing the likelihood of widespread damage and loss of life.

In conclusion, while there are undoubtedly other existential threats facing humanity, such as nuclear war and pandemics, climate change stands out due to its far-reaching consequences on ecosystems, food production systems, and environmental issues. Its slow and insidious nature makes it particularly difficult to prepare for and respond to effectively. As a result, addressing climate change must be seen as an urgent priority if humanity is to ensure its long-term survival.

IELTS Scoring:
Task Response: 9 (The candidate has responded fully to the task, providing comprehensive details.)
Coherence and Cohesion: 9 (The response is well-organized, logically structured, and coherent throughout.)
Lexical Resource: 9 (The candidate demonstrates a wide vocabulary range and accurate grammar usage.)
Presentation of Ideas: 9 (The response is well-presented with clear, effective arguments presented in a logical sequence.)

Overall Band Score: 9

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