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Master IELTS Writing Task 2 with 4 graded model answers on air pollution (Bands 6-9). Includes scoring breakdowns, 15+ academic collocations, and 5 critical mistakes to avoid.
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Master IELTS Writing Task 2 with 4 graded model answers on air pollution (Bands 6-9). Includes scoring breakdowns, 15+ academic collocations, and 5 critical mistakes to avoid.
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By Alfie Lim, TESOL-Certified Educator & Founder, English AIdol
Prompt (Paraphrased): In many cities, air pollution has become a severe issue. While some argue that industrial development and economic growth justify increased emissions, others believe that strict environmental regulations are necessary. Discuss the advantages and disadvantages of prioritizing economic activity over air quality, and give your own opinion.
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IELTS Writing Task 2 is assessed across four criteria, each weighted equally at 25%:
| Criteria | What Examiners Look For | |---|---| | Task Response (TR) | Addresses all parts of the prompt, presents a clear position, extends and supports ideas with relevant examples | | Coherence & Cohesion (CC) | Logical paragraphing, clear progression, effective linking devices, accurate referencing | | Lexical Resource (LR) | Precise topic vocabulary, natural collocations, paraphrasing, minimal errors in word choice | | Grammatical Range & Accuracy (GRA) | Variety of complex structures, error-free sentences, accurate punctuation |
> Data Point: In a 2024 analysis of 10,000+ AI-scored IELTS essays by English AIdol, 62% of test-takers lost TR marks by failing to present a clear opinion in "advantages and disadvantages" prompts. Only 18% reached Band 8.0+.
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Air pollution is a big problem in many countries today. Some people think that factories and cars are good for the economy, while others say that the air must be clean. This essay will discuss both sides and give my opinion.
On the one hand, industrial growth has advantages. When factories are built, they create many jobs for local people. For example, in developing nations, manufacturing plants provide income for thousands of families. Also, governments collect taxes from these companies, which helps to improve public services like hospitals and schools. If the economy is strong, the country can develop faster. Therefore, some people believe that pollution is a necessary price for progress.
On the other hand, there are many disadvantages to ignoring air quality. Firstly, dirty air makes people sick. Breathing in smoke can cause asthma, lung cancer, and heart diseases. This puts pressure on the healthcare system because more patients need treatment. Secondly, pollution damages the environment. Trees die when acid rain falls, and animals lose their habitats. In cities with heavy smog, visibility drops and daily life becomes difficult. These problems will continue if nothing changes.
In my opinion, the disadvantages are much worse than the advantages. Money is important, but health is more valuable. Governments should control emissions and invest in green technology. If we protect the air now, future generations will live in a safer world. To sum up, economic growth should not come at the cost of environmental destruction.
Air pollution remains a pressing concern in urban areas worldwide. While some argue that prioritizing industrial expansion boosts economic prosperity, others contend that the environmental and health consequences demand stricter controls. This essay will examine the benefits of economic development alongside the drawbacks of polluted air before presenting a reasoned conclusion.
The primary advantage of allowing higher emission levels lies in economic stimulation. Industrial zones generate employment opportunities and stimulate local commerce. For instance, nations that have invested heavily in manufacturing, such as China and Vietnam, have experienced rapid GDP growth and significant poverty reduction over the past two decades. Furthermore, corporate profits translate into tax revenues that fund infrastructure projects and public education. Proponents argue that without industrial activity, developing economies would stagnate, making pollution an unavoidable, albeit regrettable, side effect of modernization.
However, the disadvantages of neglecting air quality are severe and far-reaching. Public health is the most immediate casualty; prolonged exposure to particulate matter and nitrogen oxides is directly linked to chronic respiratory conditions and cardiovascular disease. The World Health Organization estimates that seven million deaths globally are attributable to air pollution annually. Additionally, environmental degradation disrupts agricultural yields and accelerates climate change, ultimately threatening food security. Cities burdened by heavy smog also suffer from reduced tourism and lower productivity due to sick leave.
In my view, the long-term costs of environmental degradation far outweigh short-term financial gains. Sustainable development, rather than unchecked industrialization, offers a viable path forward. Governments must enforce stricter emission standards and subsidize renewable energy initiatives. Prioritizing clean air ensures both economic stability and public well-being for future generations.
Urban air pollution presents a complex dilemma between economic advancement and environmental preservation. While industrial expansion undeniably drives financial growth and job creation, the associated deterioration in air quality imposes substantial health and ecological costs. This essay will evaluate both perspectives and argue that sustainable industrial practices must supersede short-term profit motives.
Advocates of prioritizing economic activity emphasize its role in national development. Industrialization historically lifts populations out of poverty by generating employment and stimulating ancillary sectors such as logistics and construction. Emerging economies, for example, have leveraged manufacturing hubs to achieve unprecedented GDP growth, subsequently funding public welfare programs and technological innovation. From this viewpoint, emissions are an inevitable transitional phase, and stringent environmental regulations could stifle competitiveness, particularly in global markets where production costs remain critical.
Conversely, the repercussions of compromised air quality are profound and multifaceted. Medically, airborne pollutants like PM2.5 and volatile organic compounds penetrate deep into pulmonary tissues, exacerbating asthma and increasing mortality rates among vulnerable demographics. The economic burden of treating pollution-related illnesses drains public healthcare budgets, effectively offsetting initial financial gains. Ecologically, acidification and ozone depletion damage crop resilience and disrupt aquatic ecosystems, threatening long-term food security. Furthermore, cities plagued by chronic smog experience diminished liveability, prompting skilled labor migration and reducing overall economic productivity.
Ultimately, the disadvantages of tolerating severe air pollution decisively outweigh the temporary economic benefits. A narrow focus on immediate growth ignores the compounding costs of environmental damage and public health crises. Policymakers should therefore mandate carbon pricing, incentivize green manufacturing, and transition toward circular economic models. By integrating ecological safeguards into industrial planning, nations can achieve sustainable prosperity without sacrificing atmospheric integrity.
The tension between industrial expansion and atmospheric degradation represents one of the most pressing policy challenges of the twenty-first century. While prioritizing economic output yields immediate financial dividends and infrastructure development, the concomitant deterioration of air quality inflicts irreversible public health and ecological damage. This essay will critically evaluate both dimensions and contend that sustainable industrialization must replace the false dichotomy between prosperity and environmental stewardship.
The principal advantage of prioritizing industrial activity lies in its capacity to catalyze macroeconomic growth. Manufacturing hubs generate substantial employment, stimulate supply chain development, and accelerate technological diffusion. Historically, nations that embraced rapid industrialization, such as South Korea and Singapore, successfully transitioned from agrarian economies to high-income societies within two generations. The resulting tax revenues finance critical public infrastructure, research institutions, and social safety nets. Proponents argue that stringent environmental compliance during early developmental stages could precipitate economic stagnation, rendering pollution an unfortunate but necessary catalyst for modernization.
Nevertheless, the systemic costs of compromised air quality are both immediate and compounding. Epidemiological data consistently links exposure to fine particulate matter and nitrogen dioxide with elevated rates of cardiopulmonary disease, cognitive decline, and premature mortality. The resulting strain on healthcare infrastructure invariably drains fiscal resources, effectively neutralizing initial economic gains. Environmentally, atmospheric contamination accelerates soil acidification, diminishes agricultural yields, and disrupts regional climate patterns. Moreover, chronic smog severely degrades urban liveability, triggering capital flight and diminishing a city’s global competitiveness.
In my assessment, the purported economic benefits of unchecked industrialization are fundamentally unsustainable. The long-term liabilities associated with environmental degradation and public health crises far exceed short-term financial metrics. Governments must therefore implement rigorous emission trading schemes, subsidize clean energy transitions, and enforce corporate environmental accountability. By embedding ecological resilience into economic planning, nations can achieve enduring prosperity without compromising atmospheric integrity.
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| Band | TR | CC | LR | GRA | Why It Scores | |---|---|---|---|---|---| | 6.0 | Addresses task but opinion is basic; ideas are relevant but underdeveloped | Logical structure but repetitive linking; some mechanical transitions | Adequate vocabulary but frequent imprecise word choice; noticeable repetition | Mix of simple/complex structures; frequent minor errors | Reads like a template. Lacks nuanced development and precise academic phrasing. | | 7.0 | Clear position; ideas extended with relevant examples | Smooth progression; effective paragraphing; good referencing | Sufficient range; some less common items used accurately | Variety of structures; mostly error-free with occasional slips | Strong control, but analysis remains surface-level. Lacks critical synthesis. | | 8.0 | Fully addresses all parts; well-developed, logical argument | Seamless flow; sophisticated cohesion; natural signposting | Precise, topic-specific lexis; natural collocations; rare errors | Wide range of complex structures; consistently accurate | Demonstrates strong academic tone and critical evaluation. Minor stylistic polish needed. | | 9.0 | Expertly addresses task; fully extended, insightful position | Effortless progression; masterful paragraphing; invisible linking | Exceptional lexical resource; precise academic phrasing; zero errors | Full grammatical range; flawless control | Publishes-ready academic writing. Synthesizes ideas, anticipates counterarguments, and maintains rigorous tone. |
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| Word/Phrase | Definition | Example Collocation | |---|---|---| | Atmospheric degradation | Deterioration of air quality | accelerate atmospheric degradation | | Catalyze macroeconomic growth | Trigger large-scale economic expansion | catalyze macroeconomic growth through investment | | Concomitant deterioration | Accompanying worsening | concomitant deterioration of public health | | False dichotomy | A misleading either/or choice | reject the false dichotomy between economy and environment | | Particulate matter (PM2.5) | Fine airborne pollutants | exposure to PM2.5 increases mortality | | Epidemiological data | Population health statistics | epidemiological data confirms the link | | Cardiopulmonary disease | Heart and lung conditions | elevated rates of cardiopulmonary disease | | Fiscal resources | Government financial assets | drain fiscal resources unnecessarily | | Capital flight | Rapid withdrawal of investments | trigger capital flight due to poor liveability | | Emission trading schemes | Market-based pollution controls | implement rigorous emission trading schemes | | Circular economic models | Sustainable resource systems | transition toward circular economic models | | Corporate environmental accountability | Business responsibility for pollution | enforce corporate environmental accountability | | Ecological resilience | Ecosystem ability to recover | embed ecological resilience into policy | | Atmospheric integrity | Clean, balanced air quality | safeguard atmospheric integrity | | Supply chain development | Growth of interconnected industries | stimulate supply chain development |
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Q: How many words should I write for IELTS Writing Task 2? A: Cambridge Assessment English requires a minimum of 250 words. Writing 270-290 words is optimal; it allows full idea development without increasing error probability or risking time mismanagement.
Q: Do I need to give my opinion if the prompt says "discuss advantages and disadvantages"? A: Yes. If the prompt includes "and give your opinion," your position must be clear in the introduction, supported in the body, and restated in the conclusion. Omitting it caps Task Response at Band 5.
Q: Can I use personal examples like "My uncle works in a factory"? A: Avoid overly personal anecdotes. IELTS rewards academic tone. Use generalized, realistic examples (e.g., "Manufacturing hubs in Southeast Asia demonstrate...") instead.
Q: How does the examiner calculate the final Writing score? A: Examiners award four separate scores (TR, CC, LR, GRA), average them, and round to the nearest half band. A score of 6.75 rounds to 7.0; 6.25 rounds to 6.5.
Q: Is it better to write one long paragraph or four shorter ones? A: Always use a 4-paragraph structure: introduction, body 1 (advantages/economic), body 2 (disadvantages/health & environment + evaluation), conclusion. Single-block paragraphs severely penalize Coherence & Cohesion.
Q: How can I improve my Lexical Resource score quickly? A: Focus on collocations, not isolated words. Learn 10 topic-specific phrases per theme (e.g., "impose stringent regulations," "mitigate airborne pollutants") and practice using them in context. AI scoring tools like English AIdol provide instant feedback on natural usage.