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What Are Scope 3 Emissions? It’s Critical the SEC Requires Companies Disclose Them

If the SEC’s climate disclosure rule intends to give investors the information they need to effectively evaluate a company’s overall contribution and vulnerability to climate change, it must require companies to disclose their Scope 3 emissions.

A car emitting exhaust through its tailpipe.
An example of Scope 3 emissions: Oil counts as a “sold good,” and when it’s burned it’s out of the company’s hands, these emissions would go unreported under the SEC’s proposed rule.

This March, the U.S. Securities and Exchange Commission (SEC) proposed a highly-anticipated rule that would require companies to disclose their greenhouse gas emissions, known as the climate risk disclosure rule

It’s an enormously important step from the Biden administration and has the potential to arm investors with the key information they need to make climate-smart investments and protect themselves from economic fallout driven by the climate crisis. This rule can help shed light on how much a company is contributing to climate change, and how many of its  assets will wind up stranded as the world shifts in response to this crisis. 

But the SEC’s current proposed rule has a glaring hole–and it’s big enough to allow more than 75% of overall greenhouse gas pollution to go unreported. While the rule would require public companies to disclose the emissions associated more directly with their operations, known technically as their “Scope 1 and Scope 2 emissions,” it leaves their indirect emissions, known as “Scope 3 emissions” almost entirely up to each company’s discretion to disclose. 

That’s a major problem—because, for the vast majority of companies, most of their emissions are Scope 3 emissions. If the SEC’s climate disclosure rule intends to give investors the information they need to effectively evaluate a company’s overall contribution and vulnerability to climate change, it must require companies to disclose their Scope 3 emissions. 

So, what exactly are Scope 1, 2, and 3 greenhouse gas emissions and why should they be mandatory to disclose under this rule?

Put simply: 

  • Scope 1 emissions are what a company creates in its own operations. 
  • Scope 2 emissions are from the generation of purchased energy. 
  • Scope 3 emissions are what a company causes upstream or downstream through its products or services. 

Let’s dig in a bit—Scope 1 emissions are direct emissions from sources owned or controlled by a company. Let’s use an oil company as an example. This would include emissions from the vehicles, boilers, and furnaces they own and operate directly as part of their operations. 

Scope 2 emissions are the emissions generated from purchased electricity a company uses. Continuing the oil company example, these would be emissions from the electricity the oil company uses to power its facilities. If they purchase power from a coal plant, the emissions produced to meet the facility’s power needs would be considered Scope 2. 

Scope 3 emissions are all other emissions associated with a company’s activities. These are often referred to as “upstream” and “downstream” activities. One major downstream activity for an oil company is the burning of the oil they sell for people to do things like drive a car or fly a plane. But because the oil counts as a “sold good,” and when it’s burned it’s out of the company’s hands, these emissions are categorized as Scope 3 and would go unreported under the SEC’s proposed rule. That just doesn’t make sense. 

As Nate Aden, a senior fellow at the World Resources Institute, put it to Grist, “It’s like you had a cigarette manufacturer and they’re saying, ‘Well, our production processes are very healthy, no one’s lungs are damaged when we make cigarettes, and the thing that we put out there isn’t hurting anyone. It’s just when these people go and light it on fire… that’s when it damages them.’” 

Image courtesy the Center for American Progress

So, how could this be a problem for investors?

Scope 3 emissions can have serious implications for the long-term security of investors’ assets. Physical risks (like floods, hurricanes, and wildfires) and transition risks (like technological breakthroughs, or a federal policy encouraging a transition away from fossil fuels) can have effects up and down supply chains. The potential for economic, political, technological, or social change driven by a desire to reduce emissions—such as rising customer demand for zero-emission forms of transport—can be a big liability for an oil company with a large share of Scope 3 emissions that come from the burning of oil to drive a car or fly a plane. 

Investors want—and need—this information to protect themselves from financial risk and to see the full picture of a company’s climate impact. As such, polling shows that 70% of retail investors support climate disclosures from public companies.

Many companies acknowledge that the vast majority of their emissions are Scope 3 emissions, and are working to reduce their impact. Other companies claim these emissions are out of their hands, so they shouldn’t have to disclose them. Unsurprisingly, the fossil fuel industry and its allies are particularly opposed to this rule—they claim the SEC is bowing to pressure from activists and that the rule is outside of the agency’s mandate. But it’s clear that requiring a Scope 3 emissions disclosure in this rule is not just squarely within the SEC’s mandate, but their basic responsibility, as it’s their duty to correct market failures like these and protect investors from this kind of financial risk.

“It’s like you had a cigarette manufacturer and they’re saying, ‘Well, our production processes are very healthy, no one’s lungs are damaged when we make cigarettes, and the thing that we put out there isn’t hurting anyone. It’s just when these people go and light it on fire… that’s when it damages them.’” 

Nate Aden Senior fellow at the World Resources Institute

Many companies acknowledge that the vast majority of their emissions are Scope 3 emissions, and are working to reduce their impact. Other companies claim these emissions are out of their hands, so they shouldn’t have to disclose them. Unsurprisingly, the fossil fuel industry and its allies are particularly opposed to this rule—they claim the SEC is bowing to pressure from activists and that the rule is outside of the agency’s mandate. But it’s clear that requiring a Scope 3 emissions disclosure in this rule is not just squarely within the SEC’s mandate, but their basic responsibility, as it’s their duty to correct market failures like these and protect investors from this kind of financial risk.

When the 2008 financial crisis brought our economy to the brink, most investors had no idea that their savings were tied up in toxic subprime mortgage assets. Because they didn’t understand the real risks associated with their investments, many people lost everything, and some still have yet to fully recover from the crash. Today, climate change threatens the stability of our entire financial system, but many Americans have no idea that their retirement funds or college savings plans are vulnerable to a climate-fueled economic crash. We can’t allow history to repeat itself. 

Leaving the disclosure of a large share of companies' emissions up to their own discretion leaves investors in the dark and the rest of us vulnerable to a climate-related financial crash.  

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