Official Carbon Offsets for Princeton Reunions 2026
Offset Your Reunions Travel
Support a portfolio of vetted projects removing or reducing carbon to offset your reunions travel.
How It Works
ADD FLIGHT DETAILS
Enter your departure and arrival cities, cabin class, and number of passengers.
CALCULATE EMISSIONS
Commons calculates your flight's carbon emissions.
FUND CLIMATE SOLUTIONS
Offset your emissions with verified projects like superpollutant destruction and mangrove restoration.
Our Verified Projects
Your support funds best-in-class carbon removal and avoidance projects at $35 per ton of CO₂e. Read more about the projects that pass our diligence here.
Peatland Protection
Protect and restore tropical peatlands in Indonesia while supporting communities and ecosystems
Bio-Oil Sequestration
Transform waste into carbon-rich liquid and store it safely and permanently underground in Kansas and Colorado
Superpollutant Destruction
Support collection and destruction of the world's most potent greenhouse gases in Thailand
Mangrove Restoration
Restore mangrove forests to scale coastal carbon sinks in Pakistan
Enhanced Rock Weathering
Accelerate natural processes that permanently remove carbon while enhancing farmer yields in India and Kenya
Biochar
Turn agricultural waste into biochar to sequester carbon, enrich soils, and improve farmer yields in California, India, and Bolivia
Ready to Offset Your Flight?
Grow Your Impact With Your Class
Raised for Climate Projects
Flights Offset
Class With the Greatest Impact
Sustainability made simple
Use the Commons app to track where your money goes, offset automatically, and get brand sustainability ratings. Or contact our experts for hands-on offsetting support.