Article
Scope 3 Business Travel Emissions: From Reporting to Reduction
July 27, 2026
4 min read
Why business travel need high-quality emissions data
Reporting is no longer enough. Across Europe, Scope 3.6 reporting - which refers to business travel emissions - is becoming both a standard and a legal obligation for specific organizations under the scope Corporate Sustainability Reporting Directive 2022/2464 (“CSRD”).
Organizations are expected to report business travel emissions consistently and transparently. But expectations are changing.
As stated in the Deloitte 2024 CxO Sustainability Report and in the PwC’s Global Investor Survey 2024, leadership is now asking:
- Where are emissions coming from?
- How can we reduce them?
- Can we link this to budgets and accountability?
Measurement is only the first step. Reduction is the priority. As outlined by Science Based Targets, rapid, deep emissions cuts should be the overarching focus.
Key takeaways
Scope 3.6 reporting is the starting point, not the goal.
High-quality data is essential for credible action.
Strategic travel management requires integration, accountability, and climate contribution planning.
Carbon emission mitigation budgets only work with reliable data.
Why business travel is a key lever
Scope 3.6 covers the main components of business travel:
- Flights
- Rail
- Hotels
- Rental cars
For many organizations, this represents more than just a reporting category:
- A visible emissions source
- A controllable category
- A factor in procurement and reputation
Unlike other Scope 3 categories, travel can be influenced directly to drive measurable change.
What high-quality emissions data actually means
Reliable reduction depends on reliable data. High-quality emissions data requires:
- Completeness: Coverage across all travel activity
- Consistency: Stable and comparable calculations over time
- Transparency: Clear methodology and assumptions
- Traceability: Every number linked to inputs, factors and versions
How to turn business travel data into emissions reduction
Once data is reliable, organizations can take structured action:
1. Identify emission hotspots
- Short-haul flights
- Premium cabin usage
- Short-notice bookings
- High-emission suppliers
2. Define reduction levers
- Rail-first policies
- Cabin class rules
- Supplier strategies
- Behavioral steering
3. Embed rules in booking
Levers only work when applied in practice:
- Defaults and ranking
- Approval rules
- Thresholds and exceptions
4. Assign accountability
Reduction requires ownership. Clear responsibility must be defined across:
- Travel
- Sustainability area
- Procurement
- Finance
Targets need to be linked to budgets and approvals.
5. Monitor performance
Track emissions intensity:
- Per trip
- Per employee
- Per revenue
This balances growth and sustainability.
How carbon budgets and pricing drive emissions reduction in practice
Organizations are increasingly exploring internal carbon emissions mitigation pricing and department-level carbon emissions mitigation budgets:
These approaches help make trade-offs visible, create accountability and support decision-making.
Carbon emission mitigation budgets work best when they are:
- Based on reliable data
- Clearly communicated
- Piloted first
- Supported by clear rules and exceptions
Why integration is critical for scaling emissions reduction
Reduction strategies depend on consistent data within travel systems.
Manual processes and disconnected tools do not scale. Emission calculations must be integrated, traceable, and consistent.
SQUAKE provides the infrastructure that enables this, connecting emission calculations directly into booking and reporting systems. For a broader overview of how emission calculations and climate contribution can be integrated into enterprise travel ecosystems, see SQUAKE’S website.
How to manage unavoidable business travel emissions strategically
Business travel is necessary, but it should be intentional. Travel when it truly matters eliminating unnecessary trips, optimizing routes, and choosing lower-emission options where feasible. This means deliberate decisions: Does this trip create business value? Is there a lower-emission alternative?
Even with disciplined travel policies, some emissions remain unavoidable. These are the trips that must happen for client meetings, market access, or strategic partnerships. For these necessary emissions, climate contribution mechanisms provide a credible way to address impact while organizations build sustainable travel practices.
This approach aligns with Science Based Targets and the Oxford Principles, which recognize that residual emissions from necessary activities should be addressed through verified climate contributions.
Structured climate contribution mechanisms help organizations:
- Address remaining emissions from necessary business travel
- Support high-quality climate projects
- Document how contributions are selected and used
- Keep contribution claims transparent and separate from reduction claims
A curated climate projects portfolio ensures contribution mechanisms are transparent, documented, and strategically aligned with sustainability commitments.
What organizations should prioritize
Across Europe, leading companies focus on:
- High-quality Scope 3.6 data
- Strategic travel policies and climate contribution planning
- Integration into travel systems
- Alignment across Travel, Sustainability and Finance areas
Business travel is no longer just a reporting category.
It is a controllable part of climate strategy and sustainability plans.
Enabling high-quality Scope 3.6 management
For companies using platforms such as Cytric, SQUAKE provides the infrastructure that enables this integration—calculating emissions for every trip, providing transparent methodologies, and supporting climate contribution for residual emissions.
This allows organizations to move from reporting to real operational impact.
For further information or to discuss how more sustainable travel can create measurable business value, you can contact the SQUAKE team here.
Frequently asked questions
Scope 3.6 is one of the 15 Scope 3 categories defined by the GHG Protocol and is especially relevant for companies with global operations or frequent employee travel. It refers to the indirect greenhouse gas (GHG) emissions generated by employee business travel using third-party transportation services not owned or controlled by the organization, including flights, rail travel, rental cars, taxis, ride-hailing services, and public transportation. It is a key category for organizations seeking to understand and reduce the environmental impact of corporate travel to support company sustainability and ESG goals.
Data quality is the foundation of accurate carbon accounting and sustainability reporting. In greenhouse gas (GHG) reporting, data quality measures how reliably emissions data have been collected, calculated, and verified. High-quality data enables organizations to measure emissions accurately, identify carbon hotspots, set achievable emissions reduction targets, and meet ESG and regulatory reporting requirements. Accurate emissions data supports better decision-making, strengthens Scope 3 transparency, and helps companies drive meaningful carbon reduction strategies.
Yes, when supported by reliable data and clear governance, internal carbon pricing can be an effective way to manage business travel emissions. By assigning a financial value to carbon emissions and making the environmental impact of travel visible in decision-making. Introducing an internal emission-based carbon price for business travel allows companies to encourage sustainable travel choices, identify climate risks, and prepare for boost funding to invest in decarbonization efforts such as SAF. It can help better align business travel programs with broader ESG strategies and support transformation into a low-emission business model.
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