Greta Jimenez
The US is the second biggest carbon dioxide polluter after China, according to the latest data from the World Bank. The US is the biggest producer of carbon emissions per person. The US ranks 24th in the world for environmental performance, lagging behind other industrialized nations. China, despite being a big polluter, has made more dramatic progress than other countries, and its investments have helped it climb to 120th place. India, which has the third most polluting country, has 14 out of the world's 15 most contaminated cities.
| Characteristics | Values |
|---|---|
| US ranking in environmental performance | 24th |
| Countries that rank better than US | Denmark, Luxembourg, Switzerland, United Kingdom |
| US ranking in air quality | 16th |
| US ranking among most polluting countries | 2nd or 3rd |
| Countries that pollute more than US | China, India |
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What You'll Learn
The US is the second-largest carbon dioxide polluter
The United States is the second-largest carbon dioxide polluter in the world, according to the latest data from the World Bank. Its high emissions are attributed to its industrial revolution and heavy reliance on fossil fuels. The US also has the highest carbon emissions per person.
While China currently leads in emissions, primarily due to its extensive use of coal, the US is not far behind. The US has made commitments to reduce its emissions, with President Barack Obama pledging to decrease emissions by 26 to 28 percent by 2025 compared to 2005 levels. However, under the Trump administration, environmental protections were weakened, and rules on industry and fossil fuel development were relaxed, threatening to set the country back even further.
The US ranks 24th in the world for environmental performance, according to an analysis by Yale and Columbia universities. This ranking takes into account various indicators across categories such as environmental health and ecosystem vitality. The US's poor performance is a result of its lack of effort in addressing environmental issues, according to Dan Esty of the Yale Center for Environmental Law and Policy.
In contrast, China, despite having poor air quality, has made significant investments to improve its environmental performance and has climbed to 120th place in the rankings. Other countries, such as Estonia and Trinidad and Tobago, have also recognised the importance of reducing their carbon footprint and have taken steps towards phasing out practices that contribute to their high emissions.
The US's lack of progress in addressing its carbon emissions and environmental performance is concerning, especially considering its significant contribution to global carbon pollution. With global efforts such as COP28 and legislative measures striving to tackle the climate crisis, it is crucial for major polluters like the US to take responsibility and make tangible steps towards reducing their carbon footprint.
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China is the world's biggest polluter
While China is the largest emitter of CO2, other countries, including the United States, the European Union, India, Russia, and Brazil, are also significant contributors to global pollution. These countries collectively account for a substantial proportion of global population, gross domestic product, fossil fuel consumption, and greenhouse gas emissions.
The United States, for example, has a history of land clearing for farming and industrialization, and it continues to rely heavily on fossil fuels. Similarly, European countries like France, Germany, and the United Kingdom have contributed to historical warming, despite recent reductions in their emissions.
To address the climate crisis, global efforts and legislative measures are being pursued, such as the Carbon Border Adjustment Mechanism (CBAM) in Europe and the Inflation Act in the United States. These initiatives aim to reduce emissions, promote sustainable practices, and encourage global partners to do the same.
In a notable development, China recently recorded a decline in carbon emissions due to a rapid expansion of clean energy sources. This structural shift, reflected in China's first five-year plan expected in 2026, could indicate a broader move towards sustainable practices and have global consequences. However, the country's future trajectory depends on decisions yet to be made, and maintaining emissions reductions will require steering away from previous patterns of construction-heavy stimulus.
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India ranks third due to fossil fuel burning
India was the third most polluted country in the world in 2023, according to a report by IQAir, a Swiss air quality technology company. The report found that India had an average population-weighted fine particulate matter (PM) 2.5 concentration of 54.4 micrograms per cubic metre (μg/m3). This type of fine PM is considered the most potent air pollutant, as it can enter the bloodstream and trigger a range of diseases.
India's pollution problem is largely attributed to its heavy reliance on fossil fuels. In 2019, India had 221 gigawatts (GW) of operating coal plants, the world's third-largest fleet, with 11% of global capacity. Additionally, another 36GW was under construction, and 58GW was in the early stages of development. While India has made efforts to promote renewable energy sources, such as setting a goal of installing 175GW of renewable energy capacity by 2022, its support for coal, oil, and gas was still around six times greater in 2016.
The burning of fossil fuels, such as coal, oil, and gas, is a significant contributor to India's air pollution. This is further exacerbated by industrial production, such as cement manufacturing, and land use change. India's high population also plays a role in its pollution levels, as annual emissions can be influenced by population size.
To address the issue, India has taken steps towards renewable energy. In 2017, renewable investment and new capacity surpassed fossil fuels for the first time. The country has also set ambitious targets for renewable energy installation, including 5GW of offshore wind by 2022 and 30GW by 2030. However, India still faces challenges, such as the need for new policies to adapt to the variable supply of renewables and phasing out coal-fired power plants.
India's situation is not unique, as other countries, like China, the USA, and those in the EU, also struggle with high pollution levels due to their historical reliance on fossil fuels and industrial activities. Global efforts, such as the Conference of the Parties (COP) and legislative measures, strive to address the climate crisis and reduce emissions.
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The US lags behind other industrialised nations
The US has consistently failed to rise to the top of the rankings in the Environmental Performance Index's two-decade history. This is due in part to the Trump administration's weakening of environmental protections and expansion of fossil fuel development. During his presidency, Trump called global warming a "Chinese hoax". In contrast, other countries have shown commitment to improving their environmental performance. For example, Denmark, which came first in the Yale-Columbia ranking, and China, which has made investments to improve its air quality and combat climate change.
The US's poor performance in addressing pollution is particularly notable given its historical responsibility for climate change. The US has a long history of industrialisation and a heavy reliance on fossil fuels, which have contributed significantly to its carbon emissions. Additionally, as one of the largest countries in the world, the US has a significant carbon footprint that extends beyond its borders due to its consumption of products that depend on fossil fuels and other non-renewable energy sources.
While there have been global efforts to address the climate crisis, such as the Paris accord and legislative measures like the Carbon Border Adjustment Mechanism (CBAM) in Europe and the Inflation Act in the US, the US has often been criticised for not doing enough. For instance, the US has been criticised for its failure to reduce carbon emissions and for delaying environmental fines for corporations. As a result, the US risks falling further behind other industrialised nations in terms of environmental performance and addressing pollution.
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China has made dramatic progress in reducing pollution
China has historically been one of the world's biggest polluters, with its economic growth being largely dependent on fossil fuels, which has resulted in serious air pollution issues. In 2012, the president of the China Medical Association, Zhong Nanshan, warned that air pollution could become the country's biggest health threat. A 1997 report by the World Bank also stated that "hundreds of thousands of premature deaths and incidents of serious respiratory illness have been caused by exposure to industrial air pollution" in China.
However, China has made dramatic progress in reducing pollution in recent years. The country has invested significant sums into efforts to reduce air pollution, with China's Academy for Environmental Planning pledging $277 billion to combat urban air pollution in 2013. The World Bank-supported Innovative Financing for Air Pollution Control Program has also played a crucial role in reducing carbon dioxide emissions by 2.5 million tons per year. This program has leveraged funding 5.4 times the original loan amount and supported China's transition to clean energy.
One of the key strategies employed by China to reduce pollution has been the focus on emission control and air quality management. For example, the control of sulfur dioxide (SO2) emissions helped resolve the deteriorating acid rain issue in 2007. Since 2013, China has targeted the reduction of fine particulate matter (PM2.5), with average PM2.5 concentrations falling by 33% from 2013 to 2017 in 74 cities. The amount of harmful particulates in the air in China fell by 40% from 2013 to 2020, and overall pollution fell by a further 10% between 2017 and 2018.
Afforestation measures and the switch from coal to natural gas by millions of homes and businesses have also contributed to China's progress in reducing pollution. Beijing, for instance, experienced its lowest PM2.5 on record in August 2019, and is on track to drop out of the top 200 most polluted cities. China is also the world's largest producer of electric cars, which further contributes to the reduction of greenhouse gas emissions.
While China still has a long way to go in addressing its pollution issues, the dramatic progress made in recent years demonstrates the country's commitment to improving air quality and mitigating climate change.
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Frequently asked questions
The US is one of the top polluters in the world, along with China, India, Japan, and the EU. The US has emitted the most to date: more than a quarter of all historical CO2 — twice that of China, which is the second-largest contributor.
The main sources of pollution in the US are the industrial revolution and the heavy reliance on fossil fuels.
The US has implemented the Inflation Act to advance and standardize global emissions control. Additionally, under President Barack Obama, the US committed to reducing its emissions by 26 to 28 percent compared to 2005 levels by 2025.
