Regan Brown
Fossil fuels have been the primary energy source for over 150 years, and their use has increased eightfold since 1950. In 2023, fossil fuels comprised 82% of the global energy mix, with oil and coal accounting for a third and a quarter of the world's energy consumption, respectively. This has contributed to global warming and climate change, with carbon dioxide emissions reaching a historic high of 33.1 gigatons in 2017. While renewable energy sources are becoming more prominent, the world still has a long way to go before they dominate the energy mix. The transition away from fossil fuels is crucial to curb global warming and mitigate the negative impacts of climate change.
| Characteristics | Values |
|---|---|
| Percentage of global energy mix that was fossil fuels in 2023 | 82% |
| Fossil fuel consumption increase from 2022 to 2023 | 1.5% |
| Percentage increase in CO2 emissions from 2022 to 2023 | 2% |
| Amount of CO2 emissions in 2023 | 40 gigatonnes |
| Percentage of global energy from fossil fuels in 2020 | 80% |
| Percentage of US energy from fossil fuels in 2023 | 84% |
| Percentage of US energy from fossil fuels in 2020 | 80% |
| Percentage of US energy from fossil fuels in 1978 | 49% |
| Percentage of US energy from natural gas in 1950 | 18% |
| Percentage of US energy from natural gas in 2023 | 36% |
| Number of carbon capture and storage plants in operation worldwide in 2020 | 26 |
| Amount of carbon captured by CCS plants in 2020 | 40 million tons |
| Percentage of yearly global emissions captured by CCS plants in 2020 | 0.11% |
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What You'll Learn
Fossil fuel consumption by country
Fossil fuel consumption is dominated by the world's largest economies, with China and the US responsible for almost half (47%) of global fossil fuel consumption. In 2023, China consumed 140 exajoules of fossil fuels, equivalent to approximately 5.8 billion tonnes of hard coal, and the US consumed 76 exajoules. India was the third-largest consumer, with 35 exajoules.
The US is the largest oil consumer, with over 19.1 million barrels consumed per day in 2022. In the same year, the US consumed 32.2 trillion cubic feet of natural gas. Oil is the primary energy source in the US, which has a large population of over 334 million people.
Russia is one of the most prominent players in the oil market, producing roughly 11.28% of the world's oil in 2021. Russia consumed 3.67 million barrels daily in 2021, accounting for 4% of the world's total consumption. Russia is also one of the largest natural gas consumers, with 408 billion cubic meters consumed in 2022.
Japan is the fifth-largest consumer of fossil fuels, with a territory of just over 145,000 square miles. In 2022, Japan consumed over 151 million metric tons of oil and imported 180.3 million tons of coal.
Korea is another significant fossil fuel consumer, importing 960 million barrels of crude oil in 2021, along with 126 million tons of coal. Korea was also the third-largest LNG importer in the world during that period.
Canada consumed upwards of 98 million metric tons of oil in 2022 and is heavily dependent on oil for its transportation and industrial sectors. Canada also consumes notable amounts of coal and gas, with usage recorded at 390 petajoules and 101 billion cubic meters, respectively.
Despite the global shift towards renewable energy, fossil fuels remain the primary energy source for many countries, contributing significantly to climate change and global warming.
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Global electricity demand
While renewable energy sources, such as wind and solar, are expanding rapidly, their growth has not been sufficient to counterbalance the rising demand for energy. Fossil fuel consumption has increased, with a 1% growth in 2024. This growth in fossil fuel usage has contributed to record levels of global CO2 emissions, marking the fourth consecutive year of increases.
China's energy choices will significantly influence the transition to a low-carbon energy future. While China has rapidly expanded its renewable capacity, it still relies heavily on coal, gas, and oil. In 2023, China accounted for 55% of all renewable energy additions, but it also leads the world in coal consumption.
The transportation sector, particularly in the US, contributes significantly to oil consumption and greenhouse gas emissions. Oil combustion accounted for 45% of US energy-related carbon dioxide emissions in 2020. However, there is a projected increase in the use of natural gas due to its lower emissions compared to coal and its assumed low prices.
Overall, the world continues to face challenges in aligning global energy consumption with climate goals. Despite the growth of renewable energy sources, fossil fuels remain a significant component of the energy mix, contributing to rising CO2 emissions and climate change.
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The environmental impact of fossil fuels
Fossil fuels, including coal, oil, and natural gas, have powered economies for over 150 years. They are formed from the carbon-rich remains of animals and plants that decomposed and were compressed and heated underground millions of years ago. While they have been a significant energy source, their use has also resulted in notable climate, environmental, and health costs.
Burning fossil fuels releases greenhouse gases, such as carbon dioxide, into the Earth's atmosphere, contributing to climate change. This has led to dramatic changes in the Earth's climate, and the trend is expected to worsen as more fossil fuels are burned. For instance, the increase in fossil fuel consumption, particularly coal, led to a record 40 gigatonnes of carbon dioxide (CO2) emissions in 2023, a 2% rise from 2022. This has resulted in global warming, with 2023 being the hottest year in history.
The combustion of fossil fuels also produces hazardous air pollutants, including sulfur dioxide, nitrogen oxides, particulate matter, carbon monoxide, and mercury. These pollutants have severe health implications, including asthma, cancer, heart disease, and premature death. Globally, fossil fuel pollution is responsible for one in five deaths, with 350,000 premature deaths in the United States in 2018 attributed to fossil fuel-related pollution. Moreover, air pollution from fossil fuels causes acid rain, eutrophication (excessive nutrients that harm aquatic ecosystems by lowering oxygen levels), damage to crops and forests, and adverse effects on wildlife.
The extraction and transportation of fossil fuels also pose significant environmental and safety risks. For instance, oil extraction from underground reservoirs, shale, and tar sands can lead to leaks and spills, contaminating water bodies and soil. Additionally, the burning of fossil fuels contributes to global warming, leading to rising sea levels, more frequent flooding, and destructive storm surges.
While there are technologies like carbon capture and storage (CCS) to mitigate the impact of carbon emissions, it is essential to transition to cleaner energy sources to address the environmental and health costs effectively. Embracing renewable energy, improving energy efficiency, and investing in low-carbon energy sources are crucial steps towards a more sustainable future.
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The future of fossil fuels
Fossil fuels have been powering economies for over 150 years, and currently supply about 80% of the world's energy. The burning of fossil fuels for energy began around the Industrial Revolution. Fossil fuel consumption has changed significantly over the past few centuries, both in terms of what and how much we burn. Consumption has increased significantly over the past 50 years, roughly doubling since 1980.
However, this outlook is not universally shared. The ETC outlines that a 2°C energy transition would imply a significant decrease in fossil fuel use, with different trajectories for coal, oil, and gas. By 2040, fossil fuels could represent 60% of primary energy consumption, compared with 85% today. Coal consumption will be increasingly concentrated in metallurgical coal and residual coal-fired power, while oil will be concentrated in transport use and as feedstock for chemicals production.
Carbon capture and storage (CCS) will play an important role in reducing emissions. In 2020, 26 commercial CCS plants were in operation worldwide, capturing 40 million tons of carbon, or 0.11% of total yearly global emissions. The number of CCS plants is expected to increase as the technology continues to improve. However, increasing carbon capture and storage does not mean industries should continue burning fossil fuels—they release other harmful pollutants.
In conclusion, while fossil fuels will continue to play a significant role in the global energy mix, their use is expected to gradually decrease over time as renewable energy sources become more prevalent. The development and implementation of technologies that reduce and eliminate harmful emissions associated with fossil fuels will be crucial in this transition.
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The development of alternative fuels
The burning of fossil fuels for energy began around the Industrial Revolution. Fossil fuel consumption has increased significantly over the past 50 years, with consumption doubling since 1980. Oil and gas consumption is growing quickly, while coal consumption is falling in many parts of the world. In 2020, oil was the largest source of US energy-related carbon emissions, closely followed by natural gas.
Another alternative fuel that has gained traction is renewable diesel, which is derived from biomass sources such as vegetable oils, animal fats, used cooking oil, and other organic materials. The first large-scale renewable diesel facility in the US was established by Tyson Foods in Louisiana, with the "Truck in the Park" initiative encouraging the adoption of biodiesel in national parks. The number of biodiesel manufacturers in the US increased significantly in the late 2000s, driven by factors such as energy policy acts and high oil prices.
In the automotive industry, hybrid and electric vehicles (EVs) have emerged as prominent alternatives to conventional fossil fuel-powered cars. Toyota's Prius, launched in Japan, was the first mass-produced hybrid electric vehicle, with Honda's Insight and Tesla's luxury electric sports car following soon after. More recently, affordable options like the Tesla Model 3 and the Nissan LEAF have contributed to the growing adoption of EVs, with over 234,000 plug-in electric vehicles and 3.3 million hybrids on US roads today.
Other alternative fuels and technologies include hydrogen fuel cells, propane, and carbon capture and storage (CCS). Hydrogen fuel cells, in particular, hold great promise for the automotive industry due to their ability to produce electricity through electrochemical reactions involving hydrogen and oxygen. Meanwhile, propane offers a cleaner and more sustainable alternative to traditional gasoline, with domestically abundant sources contributing to energy independence. As of 2020, 26 commercial CCS plants worldwide captured 40 million tons of carbon, equivalent to 0.11% of total yearly global emissions, and the number of CCS plants is expected to increase with technological improvements.
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Frequently asked questions
Fossil fuel consumption has increased significantly over the past few centuries. Since 1950, consumption has increased eight-fold, and since 1980, it has roughly doubled.
Fossil fuels currently supply about 80% of the world's energy. In 2023, 77% of primary energy consumption in the world came from fossil fuels.
It is difficult to determine exactly how much fossil fuel has been used in total, but fossil fuels have been powering economies for over 150 years.
In 2020, the US consumed 19% of its energy from coal. Fossil fuels supply about 80% of the US energy, with oil being the largest source of energy-related carbon emissions in 2020.
