Trellis Impact 26 will be held at Moscone West in San Francisco, June 23-25, 2026. Attendees are responsible for booking their own travel and lodging.

Trellis Group (formerly GreenBiz) is a media and events company that accelerates the just transition to a clean economy. Through events that galvanize, stories that amplify, peer networks that bond and industry-leading analysis, we define markets and advance opportunities at the intersection of business, technology and sustainability.

We are a passionate team of people that builds and empowers communities to confront the threats of climate change and solve the thorniest challenges of our time. Learn more about what we do.

Access to Trellis Impact 26 varies depending on the purchased access. Please refer to our registration page for pass options and access. 

Please refer to the registration page for all discount offers.

The keynote program will be livestreamed. 

Most sessions are available on a first-come, first-served basis and do not require pre-registration. If a session or event does require an RSVP, it will be clearly indicated in the session description.

If you need to request a letter of invitation for your visa application to attend Trellis Impact 26, please contact support@trellis.net

You can apply to volunteer here.

Volunteer roles include but are not limited to:

• On-site registration support
• A/V assistance
• Breakout session managing
• Door monitoring

Volunteers will be assigned to either one full day shift (7am – 5:30pm) or two 5 hour shifts across the 3 day event. When you are not volunteering, you will have access to the full conference, except for field trips. Meals are included.

Please note that your overnight accommodations and transportation are your responsibility and are not covered by Trellis.

Trellis Impact 26 registrations are non-refundable. If you are unable to attend, we can transfer your existing registration to a colleague or we can provide a credit memo for you to apply the amount you paid to a future Trellis Group event within one year. Please contact our support team if you need to cancel or transfer your registration.

You are no longer required to provide proof of a COVID-19 vaccination or proof of a negative COVID-19 test upon arriving onsite at Trellis Group events.

Free COVID-19 tests will be available at registration for anyone who has cold or flu symptoms or believes they may have been exposed to COVID.

If you test positive for COVID-19, please follow the CDC isolation guidelines.

Our events follow a Code of Conduct designed to ensure a safe, inclusive, and respectful experience for all participants. You can review the full Code of Conduct here.

Trellis Group’s Photography, Audio and Video Recording Policy

Trellis Event Recording
Trellis Group photographs and records the event for editorial and promotional use. By registering, attendees consent to this use. Trellis does not sell attendee images to third parties.

Commercial Recording
For the purposes of this policy, “commercial” recording or distribution refers to capturing or using audio, video, photos, or transcripts to promote, market, sell, or support a business, product, service, or brand, including use in marketing, advertising, lead generation, or sales activities. This includes content created with professional or production-grade equipment.

Commercial audio, video, or photography equipment is not permitted without prior written approval from Trellis. Approval is typically limited to sponsors recording discrete sponsored activations, such as their own breakout session or booth area.

Session Content
Recording and publishing full session audio, video, or transcripts is not permitted.

Personal Use & Press
Personal note-taking, brief social media sharing, and editorial coverage by accredited press are not considered commercial use. Attendees should expect others to take notes for personal use, share brief insights, blog posts, or photos on social media (including LinkedIn), and that accredited press may attend sessions for editorial coverage.