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

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Question:The role of urban green spaces in improving air quality

In recent years, there has been a growing concern about the deterioration of air quality in cities across the world. Many governments have taken steps to address this problem by investing in public transportation systems, implementing stricter emission regulations and promoting the use of renewable energy sources. However, one aspect that is often overlooked is the importance of urban green spaces. This essay will discuss the role of urban green spaces in improving air quality, as well as their benefits for both the environment and human health.

In order to analyze the significance of urban green spaces, it is crucial to understand how they contribute to better air quality. Trees and plants absorb carbon dioxide, a major component of air pollution, through a process known as photosynthesis. As a result, they help reduce the levels of this harmful gas in the atmosphere. Additionally, green spaces can act as natural filters for particulate matter and other pollutants, further improving air quality.

Furthermore, urban green spaces play a vital role in mitigating the effects of climate change. Trees and vegetation absorb solar radiation, which helps cool down cities and reduce the heat island effect. Consequently, this leads to lower temperatures and less demand for air conditioning, ultimately reducing energy consumption and greenhouse gas emissions.

Not only do urban green spaces benefit the environment, but they also have a positive impact on human health. Research has shown that exposure to nature can lead to reduced stress levels and improved mental well-being. Moreover, people living in areas with more green spaces are less likely to suffer from respiratory illnesses such as asthma and allergies.

In conclusion, urban green spaces play a crucial role in improving air quality by absorbing carbon dioxide, filtering pollutants, and mitigating the effects of climate change. They not only benefit the environment but also have significant impacts on human health. Governments should prioritize the creation and maintenance of these spaces to ensure sustainable urban development and improve overall quality of life for city dwellers.

Score:
- Task Response: 9 (The candidate has accurately addressed all parts of the topic and provided a detailed response)
- Coherence and Cohesion: 8 (The essay is well-structured, with appropriate use of cohesive devices such as conjunctions, restatements and paraphrasing)
- Lexical Resource: 8 (The candidate has demonstrated a wide vocabulary range and accurate usage of words and phrases)
- Grammatical Range and Accuracy: 8 (Minor grammatical errors do not impede understanding of the essay's content)

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