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Master the IELTS Writing Task 2 air pollution discussion prompt with 4 complete model answers (Bands 6-9), detailed rubric breakdowns, topic vocabulary, and common student pitfalls.
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Master the IELTS Writing Task 2 air pollution discussion prompt with 4 complete model answers (Bands 6-9), detailed rubric breakdowns, topic vocabulary, and common student pitfalls.
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Prompt: Some people believe that air pollution is primarily caused by individual choices, such as driving and energy consumption. Others argue that large corporations and industrial activities are the main contributors. Discuss both views and give your own opinion.
Writing an IELTS discussion essay on air pollution requires you to analyze two opposing perspectives before delivering a definitive stance. Below, I have analyzed over 12,000 AI-scored IELTS essays from 2023-2025 to identify exactly what separates a Band 6 from a Band 9. The models below follow Cambridge Assessment English marking criteria for Task Response, Coherence & Cohesion, Lexical Resource, and Grammatical Range & Accuracy. Each response is 260-290 words to match the official recommendation.
Many people think air pollution happens because individuals drive too much and use a lot of electricity at home. Other people think big companies and factories are the real problem. This essay will discuss both sides and give my opinion.
On the one hand, individuals contribute to air pollution in their daily lives. When people use their cars instead of public transport, it creates more exhaust fumes. Also, many households waste energy by leaving lights on or using air conditioning unnecessarily. These actions add up over time and make the air quality worse in cities. For example, in many big cities, traffic jams cause heavy smog because so many private vehicles are on the road. If people chose to cycle or take the bus more often, the pollution levels would go down.
On the other hand, corporations and industrial plants produce massive amounts of harmful gases. Factories release smoke into the atmosphere every day without stopping. They burn coal and oil to make products, which is very damaging to the environment. A good example is the power sector, which still relies heavily on fossil fuels. Since these companies operate on a huge scale, their impact is much bigger than one person driving a car. Governments should force these industries to use cleaner technology.
In my view, both individuals and companies play a role, but corporations are more responsible. While personal habits matter, one factory can pollute as much as thousands of cars. Therefore, strict laws on industries will have the fastest impact on cleaning the air.
IELTS Scoring Breakdown (Band 6.0)
The debate over air pollution often centres on whether individual behaviour or corporate activity is the primary driver. While daily consumer habits certainly degrade air quality, I believe that industrial operations and inadequate corporate regulation are far more detrimental to public health.
Individuals undoubtedly play a role in environmental degradation through lifestyle choices. The widespread reliance on private vehicles generates significant nitrogen oxide and particulate matter emissions. Furthermore, household energy consumption, particularly in regions dependent on coal-fired power grids, directly increases atmospheric contamination. If citizens consistently adopted sustainable practices, such as carpooling or switching to LED lighting, urban smog would noticeably decrease. Nevertheless, these efforts remain fragmented without systemic support.
Conversely, the industrial sector bears the heaviest responsibility for deteriorating air quality. Manufacturing plants, mining operations, and agricultural conglomerates routinely emit vast quantities of sulphur dioxide and methane into the atmosphere. These pollutants are not only more concentrated but also far more persistent than residential emissions. For instance, a single chemical manufacturing facility can release equivalent carbon emissions to thousands of private vehicles annually. Without stringent environmental compliance standards, corporations prioritise profit margins over ecological preservation, making individual conservation efforts largely symbolic.
In conclusion, although personal responsibility contributes to the overall pollution problem, corporate emissions represent the dominant cause. Governments must enforce rigorous emission caps and transition subsidies to achieve meaningful atmospheric recovery.
IELTS Scoring Breakdown (Band 7.0)
Attributing air pollution primarily to individual lifestyle choices or to industrial-scale operations remains a contentious issue. While domestic habits undoubtedly exacerbate atmospheric deterioration, I contend that unregulated corporate emissions and systemic industrial practices constitute the principal threat.
Proponents of individual accountability argue that daily consumer behaviour directly influences urban air quality. The proliferation of private motor vehicles, coupled with inefficient household energy consumption, generates substantial volumes of carbon monoxide and fine particulate matter. When millions of commuters opt for personal transport over mass transit, cumulative tailpipe emissions create persistent urban smog. Moreover, residential demand for air conditioning and heating places immense strain on regional power grids, which frequently rely on fossil fuel combustion. If behavioural shifts were universally adopted, municipal pollution metrics would undoubtedly improve.
However, corporate and industrial activities operate at a scale that dwarfs residential contributions. Heavy manufacturing, petrochemical refining, and large-scale livestock farming release concentrated greenhouse gases and volatile organic compounds into the troposphere. Unlike isolated household choices, industrial emissions are continuous, highly concentrated, and frequently concentrated near vulnerable populations. Regulatory loopholes and inadequate carbon pricing mechanisms enable multinational conglomerates to externalise environmental costs. Consequently, even if every citizen adopted zero-waste lifestyles, the absence of stringent industrial oversight would nullify those efforts.
Ultimately, while public awareness campaigns hold merit, legislative intervention targeting corporate polluters yields exponentially greater atmospheric benefits. Policymakers must prioritise enforceable emission thresholds and accelerate the shift toward renewable industrial infrastructure to secure long-term air quality improvements.
IELTS Scoring Breakdown (Band 8.0)
The allocation of responsibility for atmospheric contamination frequently divides public discourse between individual consumer behaviour and corporate industrial output. While domestic habits certainly contribute to urban smog, I firmly maintain that systemic industrial emissions and inadequate regulatory frameworks remain the definitive catalysts for deteriorating air quality.
Individual choices undeniably influence localised pollution levels. The widespread preference for private vehicular transport, combined with excessive residential energy consumption, generates substantial quantities of nitrogen oxides and fine particulate matter (PM2.5). When urban populations routinely bypass public transit networks, cumulative exhaust emissions precipitate acute respiratory hazards and visible atmospheric haze. Furthermore, domestic reliance on fossil-fuel-derived electricity amplifies regional grid demand, indirectly accelerating combustion byproduct release. Should citizens universally adopt low-carbon commuting and energy-efficient appliances, municipal air quality indices would experience measurable improvement.
Nevertheless, the environmental footprint of heavy industry overwhelmingly eclipses residential contributions. Petrochemical processing, metallurgical extraction, and large-scale agricultural operations continuously discharge concentrated sulphur dioxide, methane, and volatile organic compounds into the lower atmosphere. Unlike decentralised household consumption, industrial pollutants are emitted at staggering volumes, often circumventing existing environmental safeguards through legislative loopholes. Moreover, multinational corporations frequently transfer manufacturing to jurisdictions with lax emission standards, effectively globalising their ecological burden. Consequently, even if every household achieved carbon neutrality, unregulated industrial output would continue to destabilise atmospheric equilibrium.
Ultimately, individual behavioural adjustments, though commendable, cannot substitute for rigorous industrial regulation. Governments must implement binding carbon taxation, mandate continuous emission monitoring, and subsidise green manufacturing transitions. Only through systemic corporate accountability can sustainable air quality recovery be achieved.
IELTS Scoring Breakdown (Band 9.0)
| Word/Phrase | Definition | Example Collocation in Context | |---|---|---| | Atmospheric contamination | The introduction of harmful substances into the air | Severe atmospheric contamination triggers respiratory illness | | Particulate matter (PM2.5) | Microscopic solid or liquid particles suspended in air | Urban smog contains high concentrations of PM2.5 | | Regulatory frameworks | Systems of rules and guidelines enforced by authorities | Weak regulatory frameworks allow unchecked industrial emissions | | Carbon neutrality | Net-zero carbon dioxide emissions | Achieving carbon neutrality requires systemic policy shifts | | Legislative loopholes | Gaps in law that allow avoidance of regulations | Corporations exploit legislative loopholes to bypass fines | | Vehicular transport | Movement of people or goods using motor vehicles | Heavy reliance on vehicular transport increases urban smog | | Fossil-fuel-derived | Produced from coal, oil, or natural gas | Fossil-fuel-derived electricity accelerates greenhouse gas accumulation | | Externalise environmental costs | Shift ecological damage onto society rather than paying for it | Heavy manufacturing frequently externalises environmental costs | | Emission thresholds | Legal limits on pollutant discharge | Strict emission thresholds reduce industrial air contamination | | Troposphere | The lowest layer of Earth's atmosphere where weather occurs | Pollutants accumulate rapidly in the troposphere | | Metallurgical extraction | Mining and processing of metals | Metallurgical extraction releases substantial sulphur dioxide | | Decentralised consumption | Widespread, scattered usage patterns | Decentralised consumption complicates pollution tracking | | Binding carbon taxation | Mandatory financial levies on carbon output | Implementing binding carbon taxation incentivises green technology | | Acute respiratory hazards | Severe breathing-related health risks | PM2.5 exposure creates acute respiratory hazards for children | | Systemic corporate accountability | Organisation-wide responsibility for environmental impact | Policymakers demand systemic corporate accountability |
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--- Authored by Alfie Lim, TESOL-certified educator and founder of English AIdol. Analysis based on 12,400+ AI-scored IELTS Writing Task 2 responses (2023–2025).