Brian Barton
Air pollution is a major public health issue in China, causing an estimated 1 million to 2 million deaths per year. The country tops the World Health Organization's (WHO) list for deadly outdoor air pollution, with more than a million people dying from dirty air in 2012 alone. The primary sources of air pollution in China include industry, transportation, coal power plants, and household solid fuel usage, which have led to increased emissions of greenhouse gases and mercury. This has resulted in smog and acid rain, threatening the health, economy, and environment of China and the world.
| Characteristics | Values |
|---|---|
| Number of deaths due to air pollution per year | 1 million (2012), 1.24 million (2017), 1.6 million (2015) |
| Causes of death | Heart disease, lung cancer, stroke, chronic obstructive pulmonary diseases, respiratory infections |
| Impact on life expectancy | On average 5.5 years lower in northern China |
| Economic impact | 267 billion yuan (US$38 billion) per year |
| Global impact | Air pollution from China reaches South Korea, Japan, the US, and possibly other countries |
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What You'll Learn
- Annual deaths: 1-3 million die from air pollution in China each year
- Leading causes: Heart, lung and stroke problems are leading causes
- Comparison: China has the most air pollution deaths globally
- Economic impact: Air pollution costs China 267 billion yuan annually
- Life expectancy: Air pollution reduces life expectancy by 5.5 years
Annual deaths: 1-3 million die from air pollution in China each year
Air pollution is a major public health issue in China, causing 1-3 million deaths each year. A 2015 study by Berkeley Earth estimated that 1.6 million people in China die annually from heart, lung, and stroke problems due to poor air quality. Another estimate puts the number at 3 million deaths per year from tiny particulates from cars, power plants, and other sources.
China's rapid development over the past three decades has resulted in excessive greenhouse gas emissions. More than 40% of the 337 cities in China exceed the country's own standards for major air pollutant concentrations. The burning of fossil fuels, particularly coal, is a significant contributor to air pollution, with 81% of the population living in areas that exceed the WHO Air Quality Guideline. This has led to an increase in smog, which poses a threat to the health of Chinese citizens by causing respiratory and cardiovascular diseases.
The Chinese government has made efforts to tackle air pollution, particularly PM2.5 pollution, and has implemented a series of control actions. As a result, ambient PM2.5 pollution decreased by 12% between 1990 and 2017, and household air pollution from solid fuels decreased by 85% during the same period. However, 32% of the Chinese population still uses solid fuels for cooking or heating, contributing to indoor air pollution.
The high levels of air pollution in China have serious health consequences, including increased risk of stroke, ischaemic heart disease, chronic obstructive pulmonary disease (COPD), lung cancer, and respiratory infections. The average life expectancy in China would be 1.25 years greater if air pollution levels were reduced to the minimum standard.
In summary, air pollution in China is a significant issue that contributes to approximately 1-3 million deaths annually. The Chinese government has taken steps to improve air quality, but more needs to be done to protect the health and well-being of its citizens.
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Leading causes: Heart, lung and stroke problems are leading causes
Air pollution is a major public health issue in China, causing about 2 million deaths per year. Of these deaths, more than 1 million are caused by ambient air pollution, and another million are caused by household air pollution from cooking with polluting fuels and technologies.
Heart, lung, and stroke problems are leading causes of death in China due to air pollution. Evidence shows that long-term exposure to ambient air pollution increases the risk of cardio-respiratory diseases. Fine particles in the air, which cause respiratory and cardiovascular issues, were identified as key pollutants that accounted for a large fraction of damage to the health of Chinese citizens.
A 2015 study from Berkeley Earth estimated that 1.6 million people in China die annually from heart, lung, and stroke problems due to polluted air. Another study from 2012 found that air pollution in the form of fine particles caused respiratory and cardiovascular diseases, contributing to a significant portion of health issues among Chinese citizens.
Furthermore, a 2007 World Bank report, conducted with China's national environmental agency, found that outdoor air pollution caused 350,000 to 400,000 premature deaths annually. Additionally, indoor pollution contributed to 300,000 deaths, while water pollution caused 60,000 premature deaths.
The burning of fossil fuels, particularly coal, is a significant contributor to air pollution in China, leading to premature deaths and an average reduction of 5.5 years in life expectancy in northern China.
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Comparison: China has the most air pollution deaths globally
Air pollution is a major public health issue in China. The rapid development of China over the past three decades has resulted in excessive emissions of greenhouse gases. The burning of fossil fuels, particularly coal, has led to smog and air pollution, causing premature deaths and threatening both national and global health and economies.
According to the World Health Organization (WHO), China had the highest number of deaths from outdoor air pollution globally in 2012, with over 1 million people dying from dirty air. This figure is supported by a 2015 study from Berkeley Earth, which estimated 1.6 million deaths in China annually due to heart, lung, and stroke problems caused by air pollution. A more recent study published in The Lancet in 2017 estimated 1.24 million deaths in China in 2017 alone due to air pollution. These numbers are significantly higher than those of other countries, such as Australia with 94 deaths, and the US with 38,043 deaths in the same year.
The high death toll in China can be attributed to several factors. Firstly, China is the world's leading annual emitter of greenhouse gases and mercury, with 81% of its population living in regions exceeding the WHO Air Quality Guidelines. Secondly, the immense urban growth in Chinese cities has substantially increased the demand for consumer goods, vehicles, and energy, leading to increased burning of fossil fuels and resulting in smog. Thirdly, industry, transportation, coal power plants, and household solid fuel usage are major contributors to air pollution in China, with 32% of the population still using solid fuels for cooking or heating.
While China has implemented measures to reduce air pollution, such as the 2013 clean air action plan, the country continues to face significant challenges. The Chinese Communist Party's policies have been criticized for their negative environmental impact, and air pollution from China has even spread internationally, affecting countries like South Korea, Japan, and the United States.
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Economic impact: Air pollution costs China 267 billion yuan annually
Air pollution in China has had severe health and economic impacts. A 2015 study by the non-profit organisation Berkeley Earth estimated that 1.6 million people in China die annually from heart, lung, and stroke problems due to polluted air. Another estimate by the Chinese Academy of Environmental Planning in 2003 placed the number of deaths due to ambient air pollution at 300,000 per year, mostly from heart disease and lung cancer. According to the World Health Organization (WHO), China is the world's deadliest country for outdoor air pollution, with over 1 million deaths in 2012. The economic costs of air pollution in China are also significant. Researchers from the Chinese University of Hong Kong found that air pollution costs China 267 billion yuan (US$38 billion) annually in the form of early deaths and lost food production. This amount is approximately 0.7% of China's GDP, indicating a substantial economic burden.
The economic impact of air pollution in China is multifaceted and far-reaching. The 267 billion yuan (US$38 billion) cost includes the social costs of air pollution, encompassing impacts on public health and reduced crop yields. The Chinese central government has also incurred substantial expenses in its efforts to combat air pollution. In 2013, the government spent 5 billion yuan on pollution reduction, increasing to 10 billion yuan in 2014. These expenditures reflect the country's commitment to addressing the issue and mitigating its adverse effects.
Furthermore, air pollution has led to increased healthcare spending in China. A 10 μg/m3 increase in PM2.5 concentration, a measure of fine particulate matter pollution, results in a 60 billion yuan ($9 billion) surge in annual health spending. This increase in healthcare costs is a direct consequence of the health issues associated with air pollution, including respiratory and cardiovascular diseases. The impact on healthcare spending is significant, even without considering the costs related to loss of productivity and reduced quality of life.
The economic burden of air pollution extends beyond healthcare costs and early deaths. The social costs of air pollution are far-reaching, impacting various sectors of the economy. For example, reduced crop yields due to smog-inducing ozone and fine particles contribute to the overall economic loss. Additionally, air pollution has sparked widespread protests among Chinese citizens concerned about air quality. These protests have led to social and political challenges, with China's leaders recognising the need to address pollution as one of the country's "three tough battles," alongside poverty reduction and financial stability.
To mitigate the economic impact of air pollution, China has implemented several measures. The country has prioritised renewable energy investments, becoming the leading global source of clean energy investments in 2017. China has also established a carbon trading market that regulates a significant portion of its carbon emissions. While these efforts demonstrate a commitment to reducing pollution, questions have been raised about the continued investment in fossil fuels, both domestically and through overseas energy investments. Balancing economic development with environmental sustainability remains a complex challenge for China.
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Life expectancy: Air pollution reduces life expectancy by 5.5 years
Air pollution is a major public health issue in China. It is estimated that over 1 million people die annually in China due to air pollution, with a 2015 study from Berkeley Earth placing this number at 1.6 million. The Chinese Academy of Environmental Planning estimated in an internal report in 2003 that 300,000 people die each year from ambient air pollution, mostly due to heart disease and lung cancer. According to the World Health Organization (WHO), China is the world's deadliest country for outdoor air pollution.
The burning of fossil fuels, especially coal, in northern China has led to increased air pollution, causing people to die on average 5.5 years earlier than they would otherwise. This is supported by studies that have found associations between air pollution and deaths from cardiovascular and respiratory causes, as well as chronic diseases such as stroke, ischaemic heart disease, chronic obstructive pulmonary disease (COPD), and lung cancer.
China's rapid development over the past three decades has resulted in excessive emissions of greenhouse gases. More than 40% of the 337 cities in China exceed the country's standards for major air pollutant concentrations. The immense urban growth of Chinese cities has increased the demand for consumer goods, vehicles, and energy, leading to increased burning of fossil fuels and smog, which poses a significant health threat to Chinese citizens.
While China has made efforts to reduce air pollution, such as implementing a series of air pollution control actions, the country still faces challenges. In 2019, it was estimated that air pollution exposure reduced the average person's lifespan in China by 1.32 years, with the global mean life expectancy estimated to increase by 1.1 years if fossil fuel emissions were eliminated.
Overall, air pollution is a critical issue in China, impacting the health and life expectancy of its citizens. The country has taken steps to address the problem, but more work is needed to reduce the number of deaths and improve the overall health of the population.
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Frequently asked questions
It is estimated that between 1 and 2 million people in China die from pollution each year.
Air pollution in China is caused by the burning of fossil fuels, principally coal, and results in smog, which contains fine particles that penetrate deep into the lungs and cardiovascular system. This causes diseases including stroke, heart disease, lung cancer, chronic obstructive pulmonary diseases and respiratory infections.
China is the world's deadliest country for outdoor air pollution, according to the World Health Organisation (WHO). However, air pollution is a global issue and presents a major risk to public health worldwide.
Tackling ambient PM2.5 pollution has become a priority for the Chinese government, and a series of air pollution control actions have been implemented in recent years. Exposure to household air pollution from solid fuels is also in decline, although 32% of the population still uses solid fuels for cooking or heating.
