SBTi vs Net-Zero: What’s the Difference, and What Should Companies Aim For?

Updated August 2026

At a Glance

• Science-based targets (SBTi) define a credible, near-term emissions reduction pathway aligned with climate science.
• “Net-zero” describes a long-term end state, not a method.
• Companies do not need SBTi to claim net-zero, but SBTi-backed pathways are increasingly seen as best practice.
• The strongest climate strategies treat SBTi and net-zero as connected, not competing.

Companies often reach the same question from different directions: should they commit to SBTi, net-zero, or both? The answer matters more now because investors, customers, regulators, and procurement teams are paying closer attention to whether climate claims are credible, comparable, and backed by a real plan.

SBTi vs net-zero: short answer

SBTi defines science-aligned emissions reduction pathways, including near-term targets (5 to 10 years) and long-term net-zero targets. Net-zero describes the long-term end state where removals balance residual emissions. SBTi focuses heavily on what must happen in the next 5 to 10 years, while net-zero describes where the company ultimately needs to end up.

The difference between SBTi and net-zero: SBTi defines a near-term, science-aligned emissions reduction pathway. Net-zero defines a long-term end state where residual emissions are balanced by removals. Credible climate strategies usually need both.

That distinction is simple on paper, though it gets blurred in practice because companies often use the terms interchangeably. The result is avoidable confusion about ambition, delivery, and what progress should look like.

What are science-based targets?

Science-based targets are near-term emissions reduction targets that align a company’s decarbonisation pathway with what climate science says is needed to limit warming. The Science Based Targets initiative assesses targets against recognised methodologies, rather than accepting broad ambition statements. For a fuller picture of what SBTi validates and where the framework has limits, it is worth reading alongside this comparison.

Setting science-based targets matters because it gives the target more credibility than an internal pledge alone. It signals that the company has tried to anchor its plan in a defined emissions pathway rather than a headline commitment.

There is a second reason these targets are useful. They force companies to translate climate ambition into something measurable, usually across Scope 1, Scope 2, and, where relevant, Scope 3. That makes the gap between current emissions and future performance much harder to ignore.

Why this matters

• Targets can be compared across companies more easily
• Internal teams have a clearer planning horizon
• Boards and investors can see whether ambition is backed by structure
• Procurement and customers can distinguish between real transition planning and generic claims

In other words, science-based targets are not the climate strategy itself. They are the discipline that makes the strategy harder to hand-wave.

What does net-zero mean?

Net-zero is a long-term end state rather than a near-term target. It means a company has reduced emissions deeply enough that any residual emissions are balanced by removals at the point of reaching net-zero. The UN’s net-zero coalition defines this as reaching a balance between the greenhouse gases put into the atmosphere and those taken out.

That last part is where many claims become weak. A net-zero statement without interim milestones can sound impressive while saying very little about what happens this decade. If a company cannot show how it will cut emissions before the end date, the claim is hard to treat as credible.

What should be clear in a net-zero claim

• The target year
• The emissions sources covered
• The interim reduction milestones
• How residual emissions will be handled
• How the company will avoid relying on avoidance credits as a substitute for cuts

Net-zero is useful because it gives companies a destination. On its own, though, it says little about the route. That is why interim science-based targets matter so much in practice.

Why SBTi and net-zero are often confused

The confusion is understandable. Both terms sit inside the same climate conversation, both can appear in corporate reporting, and both are often presented as signs of ambition. But they do different jobs.

Companies also blur the distinction because the language around them is inconsistent. One document may talk about a net-zero ambition, another about validated science-based targets, and a third about transition planning. Without a clear explanation, those pieces can look like the same thing. The SBTi Corporate Net-Zero Standard exists precisely to tighten what “net-zero” means in a science-aligned context, though many companies are unaware of it.

Where the confusion comes from

• Shared language around decarbonisation and emissions pathways
• Corporate claims that skip over interim steps
• Marketing shorthand that treats validation as proof of delivery
• Reporting that focuses on the end state rather than the operational plan

The distinction matters because credibility depends on sequence. A company can be serious about net-zero without being ready to claim delivery. It can also have science-based targets in place without yet having a complete long-term strategy. Conflating the two hides that gap instead of dealing with it.

SBTi, net-zero, and Scope 3

Scope 3 is often where the real difficulty sits. For many companies, it is the largest share of emissions because it includes the value chain, not just direct operations. According to the Greenhouse Gas Protocol, Scope 3 can represent more than 70% of a company’s total footprint in many sectors. That makes it central to both SBTi targets and net-zero claims.

If Scope 3 assumptions are weak, both frameworks suffer. A company can set an ambitious target on paper while underestimating suppliers, purchased goods, logistics, use of sold products, or end-of-life impacts. The result is a pathway that looks cleaner than the underlying business reality.

Why Scope 3 matters here

• It is often the biggest part of the footprint
• It depends on supplier data that is frequently incomplete
• It is harder to reduce than operational emissions alone
• It determines whether a climate plan is credible across the full value chain

In practical terms, companies that want both SBTi and net-zero need a realistic Scope 3 baseline, a supplier engagement strategy, and a view of where the data is still approximate. Without that, the whole plan leans too heavily on assumptions.

Do companies need SBTi to claim net-zero?

Legally, no. Credibility-wise, often yes.

That is the clearest way to frame it. A company can make a net-zero claim without having SBTi validation, though the claim will usually face tougher scrutiny from investors, large customers, and internal governance teams if it is not grounded in recognised target-setting. The SBTi validation process is what gives a near-term target its external credibility.

What the market usually expects

• Evidence that the company is reducing emissions now, not only later
• Interim targets that show the pathway to the end state
• Some form of external logic or validation behind the claim
• A clear explanation of how Scope 1, Scope 2, and material Scope 3 emissions are handled

So while SBTi is not mandatory for a net-zero statement, it often functions as the credibility layer that makes the statement defensible. That is especially true for companies operating in regulated markets, bidding for large contracts, or reporting under tighter disclosure expectations such as CSRD.

Should your company choose SBTi, net-zero, or both?

The right answer depends on the company’s size, emissions profile, and reporting pressure.

A practical decision framework

The pattern is straightforward. Companies with the most external pressure and the largest footprints usually need both frameworks to tell a coherent story. Smaller or earlier-stage organisations often need to build the measurement and governance base first, then extend into the full net-zero narrative. For CSRD-facing companies in particular, the ability to connect targets to a climate transition plan is becoming a core disclosure requirement rather than just good practice.

Common mistakes

A few patterns show up again and again.

• Net-zero pledge without interim targets. The company announces the destination but leaves the route vague.
• SBTi commitment without governance. The target exists, though no one is clearly accountable for delivery.
• Overreliance on offsets. The emissions story becomes easier to say than to prove.
• Weak Scope 3 data. The hardest part of the footprint stays underdeveloped.
• Treating validation as delivery. A validated target is useful, though it is not the same as progress on the ground.

These mistakes matter because they produce a familiar gap: a strong external claim and a much less developed internal plan. That gap is where credibility tends to break down.

Conclusion

SBTi and net-zero are best understood as parts of the same sequence. SBTi gives the pathway, net-zero gives the destination, and the climate transition plan connects the two.

For companies trying to make credible climate commitments, sequencing matters. The cleaner the pathway is today, the more believable the long-term claim becomes later.

If your organization is defining climate targets and weighing SBTi vs. net-zero, The Overview Effect helps companies translate ambition into credible pathways.

Frequently Asked Questions