MIT Travel Offset Program

Offset Overview

Travel Offset Program Overview

As detailed in Fast Forward: MIT's Climate Action Plan for the Decade, MIT is committed to reducing its carbon footprint and mitigating climate impacts. This includes carbon emissions from travel.

Achieving this commitment requires considerable effort and a range of creative options:

  • Increasing awareness of the carbon cost associated with travel

  • Educating our community about carbon pricing as an effective strategy for reducing climate impact

  • Using pooled funds to support high-impact initiatives that decrease greenhouse gas (GHG) emissions


To reduce the carbon footprint of MIT's business travel, key components of the Air Travel Carbon Offset Program include:

Pilot Participants: Initially, the program will be rolled out to three areas—MIT Sloan School of Management, the School of Architecture and Planning (SA+P), and the Kavli Institute for Astrophysics and Space Research. At three and six months into the pilot, we will evaluate and adjust as needed prior to an anticipated rollout of the program across campus. 

Voluntary Participation: We highly recommend that travelers who are part of the pilot consider offsetting MIT business travel emissions through the Air Travel Carbon Offset Program.

Feedback and Refinement: This is a pilot program designed to initiate the process of carbon offsetting air travel. We encourage participation and community feedback and will refine the program for broader adoption at the conclusion of the pilot.

Ongoing Review: We will collect data and gather feedback from program participants to improve the program. Once the pilot has concluded, we will share what we have learned with the Climate Nucleus and the participating departments.

Convenient Process: We have integrated the program into MIT's existing Buy-to-Pay (B2P) platform to make it easy for participants to purchase carbon offsets in the same way they purchase goods at MIT. Travelers should purchase carbon offsets after they complete a trip on MIT business. These purchases are non-refundable.

Organizational Collaboration: MIT is contracting with Climate Vault, a non-profit organization, to assist our carbon offset efforts. Climate Vault provides a clear and efficient way to offset air travel emissions by buying carbon permits from regulated government markets.



Have questions about the program or want to learn more? Email

Offset Now

How to Participate in MIT's Air Travel Carbon Offset Program

While avoiding travel remains one of the most effective strategies for carbon emissions reduction, we recognize that such an approach may not always be practical. Therefore, MIT has contracted with Climate Vault, a non-profit organization, to facilitate the purchase of government-regulated carbon credits for MIT travel.

two people walk on a passageway surrounded by trees
Steps to Purchase


  1. Visit Buy-to-Pay: After completing your MIT business travel, visit Buy-to-Pay (B2P), MIT’s procurement platform.
  2. Select Climate Vault: On the B2P home page, navigate to the Air Travel Carbon Offsets block and click the Climate Vault icon. (Note: This option is currently available to travelers from Sloan, SA+P, and the Kavli Institute for Astrophysics and Space Research.)
  3. Add Your Purchase to Your Cart:
    1. $50 for each domestic trip
    2. $75 for each international trip
    3. Flexible Option for a custom amount ($1 per unit)
  4. Review your Cart: Just like other requisitions, you will be prompted to fill out a "ship to" address (please use your campus mailing address and note that no physical item will be shipped) and a cost object. Note: you cannot use sponsored funds to purchase air travel carbon offsets. Purchases are non-refundable.
  5. Submit for Approval: Submit. Your requisition will be routed to the appropriate financial approvers before being routed to VPF for final processing.
  6. Collective Purchase: Purchases made by MIT travelers will be pooled periodically. Climate Vault will then use these funds to purchase and vault government-regulated carbon credits.


Payment Restrictions

Please be aware that sponsored accounts cannot be used to purchase carbon offsets due to spending limitations. We recommend using faculty discretionary accounts or general institute funds.


For questions about the program, email

Responsible Travel

Reducing Travel-Related Emissions with Responsible Travel Choices

Preliminary data indicates that emissions associated with MIT’s Scope 3 business travel could be equivalent to 27 percent of MIT’s Scope 1 and Scope 2 emissions in pre-pandemic years (FY2019) and 7 percent as travel began to recover in FY2022. Air travel can be a necessary part of fulfilling the mission of the Institute and one’s role at MIT, but there are many opportunities to limit, avoid, or improve travel choices. When air travel is unavoidable, the Air Travel Carbon Offset Program can offset emissions resulting from travel. Explore below to learn more about travel options to inform your next MIT-related travel decision. 

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Avoid Travel

  • Evaluate whether your trip is necessary. Traveling less is the most effective and cost-efficient way to reduce your travel-related greenhouse gas emissions.

  • Many meetings can be conducted virtually. MIT has Zoom Rooms for Community Use available through Atlas. 

  • Consider how many people need to attend an event or conference, especially if the only way to travel is by air. When fewer team members travel, find new ways to share knowledge and research.

  • Use Concur, MIT's online travel booking and expensing tool, to explore pricing between different modes of travel. 

Limit Travel

  • Bundle trips if you have multiple events and meetings to attend in the same region.

  • Choose to limit your travel to local events when possible.

Avoid Air Travel

  • Understand the emissions impact of your flight and consider alternatives.

  • If you need to travel, or there are clear benefits of traveling, choose less carbon-intensive modes of transportation. For regional trips consider train, carpool, or electric vehicles. For local travel, explore options like walking, biking, public transit, or taxi share.

Limit Travel Impact

  • Minimize car travel by choosing accommodations close to your event or conference. 

  • Avoid single-use plastics. Bring reusable water bottles and travel mugs, bags, and containers to reduce waste.

  • Support local businesses when traveling. Purchase locally-sourced products and support local economies to reduce the carbon footprint of transportation.

Offset Your Travel

  • Offset your carbon footprint. Today, travelers at the MIT Sloan School of Management, School of Architecture and Planning, and the Kavli Institute for Astrophysics and Space Research are participating in the MIT Air Travel Carbon Offset Program pilot. Travelers in these areas can purchase carbon offsets for the emissions generated by MIT travel.

  • Following the pilot phase, this program will be offered to the entire MIT community.

  • Departments may consider establishing a mileage budget for each faculty and staff member and a tracking system to monitor. 


Remember, local trips add up. Explore how Access MIT supports low-carbon commutes.


Have questions about the program or want to learn more? Email

Travel Offset FAQs

MIT Air Travel Carbon Offset Program Frequently Asked Questions

This FAQ is designed to answer key questions about MIT's Air Travel Carbon Offset Pilot program mechanics, carbon offsets, and Climate Vault.

General Overview

Program Mechanics

Carbon Credits and Climate Vault

Transparency and Impact

Future Plans and Evaluation

Additional Information

Sustainable Aviation Research

Sustainable aviation research is focused on reducing the environmental impacts resulting from air transportation. In this section, you will find news and publications from MIT researchers focused on both the impacts of aviation emissions as well as potential measures to reduce these emissions.