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

IELTS.WORK Free Online Writing Practice # 1713030639

Writing Topic: The role of urban green spaces in improving air quality

Question: Many cities around the world are investing in urban green spaces to combat poor air quality. What role do these green spaces play in improving air quality, and what challenges might a city face when implementing such initiatives?

Model Answer:

Urban green spaces have become an essential part of city planning as they play a significant role in improving air quality. These areas are vital in mitigating the negative impacts of urbanization on both the environment and human health. Green spaces contribute to better air quality by absorbing carbon dioxide, producing oxygen through photosynthesis, and reducing particulate matter in the atmosphere.

The most direct impact of green spaces on improving air quality is through the absorption of carbon dioxide, a greenhouse gas that contributes to global warming and poor air quality. Trees and plants in urban green spaces act as natural carbon sinks, absorbing carbon dioxide from the atmosphere and using it for growth. This process not only reduces the overall concentration of carbon dioxide but also leads to a decrease in other pollutants such as sulfur dioxide and nitrogen oxides.

Additionally, green spaces produce oxygen through the process of photosynthesis. By taking in carbon dioxide and releasing oxygen, they contribute to maintaining healthy air quality levels. This is especially important in densely populated urban areas where increased human activity leads to higher concentrations of carbon dioxide and other pollutants.

Another significant role that urban green spaces play in improving air quality is through the reduction of particulate matter. Particulate matter, such as dust, soot, and other fine particles suspended in the air, can have severe health effects on humans, including respiratory and cardiovascular diseases. Urban green spaces, particularly those with trees and vegetation, help filter out these particles by trapping them in their leaves and bark. This not only improves overall air quality but also creates a cleaner environment for residents to breathe.

Despite the numerous benefits of urban green spaces, there are challenges associated with implementing such initiatives. One major challenge is the availability of space within cities, as it can be difficult to find suitable locations for green spaces without disrupting existing infrastructure or residential areas. Another challenge is the cost of establishing and maintaining green spaces, which may require significant financial investment from city governments. Lastly, ensuring public access and usage of these spaces can be a challenge, particularly in densely populated urban environments where space is at a premium.

In conclusion, urban green spaces play a critical role in improving air quality by absorbing carbon dioxide, producing oxygen, and reducing particulate matter in the atmosphere. While there are challenges associated with implementing such initiatives, the benefits of healthier air quality and improved living conditions make them essential components of sustainable city planning.

Task 1 (Vocabulary and Grammar): 9.0
Task 2 (Content): 8.5
Task 3 (Coherence and Cohesion): 8.5
Task 4 (Presentation of Writing): 9.0

Total Score: (9.0 + 8.5 + 8.5 + 9.0) / 4 = 8.75

The total score is slightly above the upper band of IELTS Band 8, which indicates a strong command of language and the ability to produce well-structured and detailed writing in response to a given topic.

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