Measure what matters
Four certification tiers designed to honor progress at every stage, from your first sustainable choice to your hundredth.
Sustainable Event Certification
Greening the Experience Begins Here
From small gatherings to grand celebrations, your actions echo into the future. Measure your impact, validate your practices, and let your event speak for the Earth.
1,240+
Events certified
4.2M lbs
CO₂e measured
38K
Trees equivalent
62
Countries reached
Why it works
Sustainability you can prove, not just promise.
Validate every claim
A 60-question Greener Events Toolkit plus on-site co-auditor feedback grounds your score in reality, not marketing.
Earn a credible badge
Share a verified certification badge and the data behind it with sponsors, partners, and attendees.
Four steps to certified
A clear path from intention to impact.
- 01
Calculate CO₂ Impact
Measure your event's carbon footprint across travel, lodging, venue, water, and meals.
- 02
Sustainability Assessment
Complete a 60-question toolkit across seven sustainability dimensions.
- 03
Co-Auditor Feedback
Generate a QR code so attendees can validate your sustainability claims on-site.
- 04
Proof of Practices
Upload photos, receipts, and logs to make your impact visible and verifiable.
Certification levels
Grow your score, grow your impact.
Four tiers recognize progress at every stage from teams just getting started to global organizations setting the standard.
Score 60 – 74
Sprout
Foundational sustainability practices in place.
Score 75 – 84
Sapling
Consistent execution across most sustainability pillars.
Score 85 – 94
Forest
Industry-leading practices verified by co-auditors.
Score 95 – 100
Canopy
Best-in-class sustainability, fully validated and documented.
Standards & frameworks
Sustainable event certification, grounded in real standards.
Aligned with ISO 20121
Our framework mirrors ISO 20121, the international standard for sustainable event management, so your certification stands up to global scrutiny.
Green venue certification ready
We help you source event spaces with green venue certification — venues powered by renewable energy and operating strict waste-reduction policies.
A sustainable event checklist that works
Our 60-question Greener Events Toolkit doubles as a practical sustainable event checklist across travel, energy, food, waste, water, procurement, and inclusion.
Heard from organizers
“We talked about sustainability for years. Greening the Experience finally gave us the numbers and the credibility to back it up. Our sponsors noticed immediately.”
JB
Jenn Brightz
Executive Producer, Stories We Tell Convention
Plan an event the planet will thank you for.
Join the organizations turning intention into measurable action, one certified event at a time.