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IELTS Free Online Writing Practice - Discuss the impact of climate change on human health.

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Writing Task 2 Topic: Discuss the impact of climate change on human health.

Model Answer:

In recent years, the world has experienced a significant increase in the frequency and intensity of extreme weather events, which are largely attributed to the phenomenon known as climate change. This essay will discuss the various ways in which climate change is affecting human health, both directly and indirectly.

One of the most direct impacts of climate change on human health can be seen in the increased occurrence of heatwaves. As global temperatures rise, heatwaves become more frequent and severe, posing a risk to human health. Prolonged exposure to high temperatures can lead to dehydration, heatstroke, and even death, particularly among vulnerable populations such as the elderly, infants, and those with pre-existing medical conditions. Additionally, hotter temperatures can exacerbate existing respiratory and cardiovascular illnesses, resulting in an increase in hospital admissions and fatalities.

Another significant impact of climate change on human health is the rising incidence of vector-borne diseases. Warmer temperatures provide a more conducive environment for disease-carrying insects such as mosquitoes and ticks, which are responsible for the transmission of malaria, dengue fever, Lyme disease, and other illnesses. As these insect populations expand, so too does the risk of contracting these diseases, particularly in areas where public health infrastructure is already strained.

Moreover, climate change has been shown to have a direct impact on air quality, which is critical for maintaining human health. Rising temperatures can lead to an increase in ground-level ozone concentrations, a key component of smog and a known respiratory irritant. Additionally, the changing weather patterns associated with climate change can contribute to the formation of more frequent and severe dust storms, which can exacerbate respiratory conditions such as asthma and chronic obstructive pulmonary disease (COPD).

Finally, it is important to recognize that climate change also has indirect effects on human health through its impact on food and water security. As extreme weather events become more commonplace, agriculture can be significantly disrupted, leading to food shortages and malnutrition. Moreover, changes in rainfall patterns can compromise the availability of clean drinking water, leading to an increase in waterborne diseases such as cholera and dysentery.

In conclusion, climate change presents a serious threat to human health through a multitude of direct and indirect impacts. From increased heatwaves and vector-borne diseases to disruptions in food and water security, the consequences of this global phenomenon are far-reaching and demand urgent attention from governments, institutions, and individuals alike.

Score: Band 9

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