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IELTS Free Online Writing Practice - The role of urban green spaces in improving air quality

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Task 2: The role of urban green spaces in improving air quality

Model Answer:

The rapid expansion of cities has led to an increase in the number of people living in urban areas. As a result, there is growing concern about the air quality within these densely populated regions. One potential solution to this problem is the creation and maintenance of green spaces within cities. This essay will discuss how the establishment of urban green spaces can contribute to improving air quality by examining factors such as reduced pollution levels, increased vegetation, and the promotion of a healthier lifestyle among residents.

Firstly, urban green spaces can help reduce pollution levels in cities. By providing an area where trees and plants can absorb pollutants from the atmosphere, green spaces can effectively cleanse the air. For example, trees are known to absorb carbon dioxide, a major contributor to air pollution, while also releasing oxygen back into the environment. This process of absorbing harmful substances and releasing beneficial ones can greatly improve overall air quality within urban areas. Additionally, green spaces can help reduce noise pollution by serving as sound barriers, which can create a more peaceful living environment for city dwellers.

Secondly, the presence of vegetation in urban green spaces plays a crucial role in improving air quality. Plants have the ability to absorb pollutants such as sulfur dioxide and nitrogen dioxide through their leaves. These pollutants are then stored or broken down by the plant's biological processes. Furthermore, the growth of plants requires carbon dioxide, which is a greenhouse gas that contributes to global warming. Consequently, promoting vegetation in urban areas can help mitigate the effects of climate change and create a healthier environment overall.

Lastly, urban green spaces can also promote a healthier lifestyle among city residents. People who live close to or spend time in green spaces are more likely to engage in physical activities such as walking, jogging, or playing sports. This increased physical activity can lead to improved respiratory and cardiovascular health, which is particularly important given the potential effects of air pollution on human health. Moreover, green spaces have been linked to reduced levels of stress and anxiety, leading to improved mental well-being among city dwellers.

In conclusion, urban green spaces play a vital role in improving air quality within cities. By absorbing pollutants, promoting vegetation growth, and encouraging healthier lifestyles for residents, green spaces are an essential component of sustainable urban planning. It is crucial that city planners and policymakers prioritize the creation and maintenance of green spaces in order to create cleaner, healthier, and more livable cities.

Score: Band 9 - This essay provides a clear, well-structured argument and effectively addresses all aspects of the topic. The language used is advanced and varied, with appropriate vocabulary and grammar throughout.

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