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

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Topic: Is climate change the greatest existential threat facing humanity?

Model Answer:

In recent years, climate change has emerged as one of the most pressing issues facing humanity. While there are indeed several other threats, such as nuclear warfare and pandemics, this essay will argue that climate change is currently the greatest existential threat due to its far-reaching and irreversible consequences.

To begin with, the effects of climate change are becoming increasingly evident. Rising temperatures, extreme weather events, and rising sea levels have already caused devastation in many parts of the world. These phenomena disrupt ecosystems, destroy habitats, and threaten food security, all of which exacerbate existing social, economic, and political problems. Furthermore, as climate change accelerates, the consequences become more severe and widespread, creating a vicious cycle that is difficult to break.

Secondly, the scale of the problem is immense, with the Intergovernmental Panel on Climate Change (IPCC) stating that human activities have caused an unprecedented rate of global warming over the past century. The burning of fossil fuels, deforestation, and industrial processes have led to a sharp increase in greenhouse gas emissions, which trap heat in the Earth's atmosphere and drive climate change. This interconnected web of causes and effects means that addressing climate change requires a comprehensive approach that addresses not only environmental issues but also economic and social factors.

In contrast, other potential existential threats such as nuclear warfare or pandemics are less widespread and have more defined geographical scopes. While these threats are undoubtedly serious, they do not pose the same level of risk to the entire planet as climate change does. For example, a pandemic can be contained through quarantine measures and vaccination programs, whereas the effects of climate change are global, long-lasting, and irreversible.

Moreover, the consequences of climate change have the potential to trigger other existential threats. As societies struggle to adapt to a rapidly changing environment, resource scarcity and economic instability could escalate into conflicts or even large-scale wars. Additionally, the melting of polar ice caps and rising sea levels threaten low-lying coastal regions with catastrophic flooding, potentially leading to mass migration and social unrest.

In conclusion, while there are indeed other existential threats facing humanity, climate change stands out as the greatest due to its global impact, the scale of the problem, and its potential to trigger other threats. As such, it is crucial that nations work together to mitigate the effects of climate change and create a sustainable future for generations to come.

Score: Band 9 (Excellent): The model answer effectively addresses all aspects of the question, provides well-structured and coherent arguments, and offers clear support for these claims with relevant examples.

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