Energy
A Global Breakdown of Greenhouse Gas Emissions by Sector
A Global Breakdown of Greenhouse Gas Emissions by Sector
In a few decades, greenhouse gases (GHGs)—chiefly in the form of CO₂ emissions—have risen at unprecedented rates as a result of global growth and resource consumption.
To uncover the major sectors where these emissions originate, this graphic from Our World in Data pulls the latest data from 2016 courtesy of Climate Watch and the World Resources Institute, when total emissions reached 49.4 billion tonnes of CO₂ equivalents (CO₂e).
Sources of GHG Emissions
Global GHG emissions can be roughly traced back to four broad categories: energy, agriculture, industry, and waste. Overwhelmingly, almost three-quarters of GHG emissions come from our energy consumption.
| Sector | Global GHG Emissions Share |
|---|---|
| Energy Use | 73.2% |
| Agriculture, Forestry & Land Use | 18.4% |
| Industrial processes | 5.2% |
| Waste | 3.2% |
Within each category, there are even more granular breakdowns to consider. We’ll take a closer look at the top two, which collectively account for over 91% of global GHG emissions.
Energy Use
Within this broad category, we can further break things down into sub-categories like transport, buildings, and industry-related energy consumption, to name a few.
| Sub-sector | GHG Emissions Share | Further breakdown |
|---|---|---|
| Transport | 16.2% | • Road 11.9% • Aviation 1.9% • Rail 0.4% • Pipeline 0.3% • Ship 1.7% |
| Buildings | 17.5% | • Residential 10.9% • Commercial 6.6% |
| Industry energy | 24.2% | • Iron & Steel 7.2% • Non-ferrous metals 0.7% • Machinery 0.5% • Food and tobacco 1.0% • Paper, pulp & printing 0.6% • Chemical & petrochemical (energy) 3.6% • Other industry 10.6% |
| Agriculture & Fishing energy | 1.7% | - |
| Unallocated fuel combustion | 7.8% | - |
| Fugitive emissions from energy production | 5.8% | • Coal 1.9% • Oil & Natural Gas 3.9% |
| Total | 73.2% |
Billions of people rely on petrol and diesel-powered vehicles to get around. As a result, they contribute to almost 12% of global emissions.
But this challenge is also an opportunity: the consumer adoption of electric vehicles (EVs) could significantly help shift the world away from fossil fuel use, both for passenger travel and for freight—although there are still speedbumps to overcome.
Meanwhile, buildings contribute 17.5% of energy-related emissions overall—which makes sense when you realize the stunning fact that cities use 60-80% of the world’s annual energy needs. With megacities (home to 10+ million people) ballooning every day to house the growing urban population, these shares may rise even further.
Agriculture, Forestry & Land Use
The second biggest category of emissions is the sector that we rely on daily for the food we eat.
Perhaps unsurprisingly, methane from cows and other livestock contribute the most to emissions, at 5.8% total. These foods also have some of the highest carbon footprints, from farm to table.
| Sub-sector | GHG Emissions Share |
|---|---|
| Livestock & Manure | 5.8% |
| Agricultural Soils | 4.1% |
| Crop Burning | 3.5% |
| Forest Land | 2.2% |
| Cropland | 1.4% |
| Rice Cultivation | 1.3% |
| Grassland | 0.1% |
| Total | 18.4% |
Another important consideration is just how much land our overall farming requirements take up. When significant areas of forest are cleared for grazing and cropland, there’s a clear link between our land use and rising global emissions.
Although many of these energy systems are still status quo, the global energy mix is ripe for change. As the data shows, the potential points of disruption have become increasingly clear as the world moves towards a green energy revolution.
For a different view on global emissions data, see which countries generate the most CO₂ emissions per capita.
Energy
Mapped: The World’s Largest State-Owned Oil Companies
State-owned oil companies control roughly three-quarters of global oil supply. See how these companies compare in this infographic.
Mapped: The World’s Largest State-Owned Oil Companies
View the high-resolution of the infographic by clicking here.
Oil is one of the world’s most important natural resources, playing a critical role in everything from transportation fuels to cosmetics.
For this reason, many governments choose to nationalize their supply of oil. This gives them a greater degree of control over their oil reserves as well as access to additional revenue streams. In practice, nationalization often involves the creation of a national oil company to oversee the country’s energy operations.
What are the world’s largest and most influential state-owned oil companies?
Editor’s Note: This post and infographic are intended to provide a broad summary of the state-owned oil industry. Due to variations in reporting and available information, the companies named do not represent a comprehensive index.
State-Owned Oil Companies by Revenue
National oil companies are a major force in the global energy sector, controlling approximately three-quarters of the Earth’s oil reserves.
As a result, many have found their place on the Fortune Global 500 list, a ranking of the world’s 500 largest companies by revenue.
| Country | Name | Fortune Global 500 Rank | 2019 Revenues |
|---|---|---|---|
| 🇨🇳 China | Sinopec Group | 2 | $443B |
| 🇨🇳 China | China National Petroleum Corporation (CNPC) | 4 | $379B |
| 🇸🇦 Saudi Arabia | Saudi Aramco | 6 | $330B |
| 🇷🇺 Russia | Rosneft | 76 | $96B |
| 🇧🇷 Brazil | Petrobras | 120 | $77B |
| 🇮🇳 India | Indian Oil Corporation (IOCL) | 151 | $69B |
| 🇲🇾 Malaysia | Petronas | 186 | $58B |
| 🇮🇷 Iran | National Iranian Oil Company (NIOC) | Not listed | $19B* |
| 🇻🇪 Venezuela | Petróleos de Venezuela (PDVSA) | Not listed | $23B (2018) |
*Value of Iranian petroleum exports in 2019. Source: Fortune, Statista, OPEC
China is home to the two largest companies from this list, Sinopec Group and China National Petroleum Corporation (CNPC). Both are involved in upstream and downstream oil operations, where upstream refers to exploration and extraction, and downstream refers to refining and distribution.
It’s worth noting that many of these companies are listed on public stock markets—Sinopec, for example, trades on exchanges located in Shanghai, Hong Kong, New York, and London. Going public can be an effective strategy for these companies as it allows them to raise capital for new projects, while also ensuring their governments maintain control. In the case of Sinopec, 68% of shares are held by the Chinese government.
Saudi Aramco was the latest national oil company to follow this strategy, putting up 1.5% of its business in a 2019 initial public offering (IPO). At roughly $8.53 per share, Aramco’s IPO raised $25.6 billion, making it one of the world’s largest IPOs in history.
Geopolitical Tensions
Because state-owned oil companies are directly tied to their governments, they can sometimes get caught in the crosshairs of geopolitical conflicts.
The disputed presidency of Nicolás Maduro, for example, has resulted in the U.S. imposing sanctions against Venezuela’s government, central bank, and national oil company, Petróleos de Venezuela (PDVSA). The pressure of these sanctions is proving to be particularly damaging, with PDVSA’s daily production in decline since 2016.
In a country for which oil comprises 95% of exports, Venezuela’s economic outlook is becoming increasingly dire. The final straw was drawn in August 2020 when the country’s last remaining oil rig suspended its operations.
Other national oil companies at the receiving end of American sanctions include Russia’s Rosneft and Iran’s National Iranian Oil Company (NIOC). Rosneft was sanctioned by the U.S. in 2020 for facilitating Venezuelan oil exports, while NIOC was targeted for providing financial support to Iran’s Islamic Revolutionary Guard Corps, an entity designated as a foreign terrorist organization.
Climate Pressures
Like the rest of the fossil fuel industry, state-owned oil companies are highly exposed to the effects of climate change. This suggests that as time passes, many governments will need to find a balance between economic growth and environmental protection.
Brazil has already found itself in this dilemma as the country’s president, Jair Bolsonaro, has drawn criticism for his dismissive stance on climate change. In June 2020, a group of European investment firms representing $2 trillion in assets threatened to divest from Brazil if it did not do more to protect the Amazon rainforest.
These types of ultimatums may be an effective solution for driving climate action forward. In December 2020, Brazil’s national oil company, Petrobras, pledged a 25% reduction in carbon emissions by 2030. When asked about commitments further into the future, however, the company’s CEO appeared to be less enthusiastic.
That’s like a fad, to make promises for 2050. It’s like a magical year. On this side of the Atlantic we have a different view of climate change.
— Roberto Castello Branco, CEO, Petrobras
With its 2030 pledge, Petrobras joins a growing collection of state-owned oil companies that have made public climate commitments. Another example is Malaysia’s Petronas, which in November 2020, announced its intention to achieve net-zero carbon emissions by 2050. Petronas is wholly owned by the Malaysian government and is the country’s only entry on the Fortune Global 500.
Challenges Lie Ahead
Between geopolitical conflicts, environmental concerns, and price fluctuations, state-owned oil companies are likely to face a much tougher environment in the decades to come.
For Petronas, achieving its 2050 climate commitments will require significant investment in cleaner forms of energy. The company has been involved in numerous solar energy projects across Asia and has stated its interests in hydrogen fuels.
Elsewhere, China’s national oil companies are dealing with a more near-term threat. In compliance with an executive order issued by the Trump Administration in November 2020, the New York Stock Exchange (NYSE) announced it would delist three of China’s state-run telecom companies. Analysts believe oil companies such as Sinopec could be delisted next, due to their ties with the Chinese military.
Energy
The Periodic Table of Commodity Returns (2021 Edition)
Which commodity had the best returns in 2020? From gold to oil, we show how commodity price performance stacks up over the last decade.
The Periodic Table of Commodity Returns (2011-2020)
Being a commodity investor can feel like riding a roller coaster.
Take silver. Typically known for sharp, idiosyncratic price movements, it faced double-digit declines in the first half of the decade, falling over 35% in just 2013 alone. By contrast, it jumped over 47% in 2020. Similarly, oil, corn, and others witnessed either steep declines or rapid gains.
The above graphic from U.S. Global Investors traces 10 years of commodity price performance, highlighting 14 different commodities and their annual ranking over the years.
Commodity Price Performance, From Best to Worst
Which commodities were the top performers in 2020?
The aforementioned silver tripled its returns year-over-year, climbing 47.9% in 2020. In July, the metal actually experienced its strongest month since 1979.
| Rank | Commodity | Return (2020) | Return (2019) | Return (2018) |
|---|---|---|---|---|
| 1 | Silver | 47.9% | 15.2% | -8.5% |
| 2 | Copper | 26.0% | 3.4% | -17.5% |
| 3 | Palladium | 25.9% | 54.2% | 18.6% |
| 4 | Gold | 25.1% | 18.3% | -1.6% |
| 5 | Corn | 24.8% | 3.4% | 6.9% |
| 6 | Zinc | 19.7% | -9.5% | -24.5% |
| 7 | Nickel | 18.7% | 31.6% | -16.5% |
| 8 | Gas | 16.0% | -25.5% | -0.4% |
| 9 | Wheat | 14.6% | 11.0% | 17.9% |
| 10 | Platinum | 10.9% | 21.5% | -14.5% |
| 11 | Aluminum | 10.8% | -4.4% | -17.4% |
| 12 | Lead | 3.3% | -4.7% | -19.2% |
| 13 | Coal | -1.3% | -18.0% | -22.2% |
| 14 | Oil | -20.5% | 34.5% | -24.8% |
Along with silver, at least seven other commodities had stronger returns than the S&P 500 in 2020, which closed off the year with 16.3% gains. This included copper (26.0%), palladium (25.9%), gold (25.1%) and corn (24.8%).
Interestingly, copper prices moved in an unconventional pattern compared to gold in 2020. Often, investors rush to gold in uncertain economic climates, while sectors such as construction and manufacturing—which both rely heavily on copper—tend to decline. Instead, both copper and gold saw their prices rise in conjunction.
Nowadays, copper is also a vital material in electric vehicles (EVs), with recent demand for EVs also influencing the price of copper.
Silver Linings
As investors flocked to safety, silver’s price reached heights not seen since 2010.
The massive scale of monetary and fiscal stimulus led to inflationary fears, also boosting the price of silver. How does this compare to its returns over the last decade?
In 2013, silver crashed over 35% as confidence grew in global markets. By contrast, in 2016, the Brexit referendum stirred uncertainty in global markets. Investors allocated money in silver, and prices shifted upwards.
As Gold as the Hills
Like silver, market uncertainty has historically boosted the price of gold.
What else contributed to gold’s rise?
- U.S. debt continues to climb, pushing down confidence in the U.S. dollar
- A weaker U.S. dollar makes gold cheaper for other countries to buy
- Low interest rates kept the returns of other safe haven assets low, making gold more attractive by comparison
Here’s how the price of gold has changed in recent years.
Gold faced its steepest recent declines in 2013, when the Federal Reserve bank discussed tapering down its quantitative easing program in light of economic recovery.
Hitting the Brakes On Oil
Oil suffered the worst commodity price performance in 2020, with -20.5% returns.
For the first time in history, oil prices went negative as demand plummeted. To limit its oversupply, oil producers shrunk investment, closed wells, and turned off valves. Unfortunately, many companies still faced bankruptcies. By November, 45 oil producers had proceeded with bankruptcy filings year-to-date.
This stood in stark contrast to 2019, when prices soared 34.5%.
As is custom for oil, prices see-sawed over the decade. In 2016 and 2019, it witnessed gains of over 30%. However, like 2020, in 2014 it saw huge losses due to an oversupply of global petroleum.
In 2020, total production cuts hit 7.2 million barrels a day in December, equal to 7% of global demand, in response to COVID-19.
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