Event Details
Tri-Cities Earth Day 2026
April 18, 2026 | 12:00–4:00 PM
REACH Museum | Richland, Washington
Free and open to the public
Tri-Cities Earth Day is a free, family-friendly community celebration focused on environmental learning, local action, and connection. Hosted at the REACH Museum, the event invites visitors to explore hands-on activities, attend engaging programs, and connect with organizations working to support a healthy planet and community.
You’re welcome to stop by for an hour—or spend the afternoon exploring everything the day has to offer.
Featured Speaker
Nick Zentner — Nick on the Rocks
Earth Day 2026 will feature a special presentation by Nick Zentner, a nationally recognized geologist and science communicator known for making Earth science engaging, relevant, and accessible to all.
In Nick on the Rocks, Zentner uses rocks, landscapes, and real-world examples from the Pacific Northwest to tell the geologic story of place. Through humor, storytelling, and clear visuals, he connects deep time to the land beneath our feet—helping audiences better understand how geology has shaped the Mid-Columbia River Region and why it matters today.
🕑 Presentation Time: 2:00–3:00 PM
This presentation is designed for curious minds of all ages and is a featured highlight of Tri-Cities Earth Day 2026.
Schedule at a Glance
Earth Day 2026 is designed to be flexible and easy to explore, with activities happening throughout the REACH Museum and outdoor spaces.
Drop in for an hour—or spend the full afternoon experiencing everything the day has to offer.
Ongoing Activities
12:00–4:00 PM
- Community organization booths and Earth Day resources
- Hands-on, earth-inspired activities for all ages
- Student poster sessions and displays
- Native plant, sustainability, and conservation workshops
- Food trucks and refreshments
Featured Presentation
Nick Zentner — Nick on the Rocks
2:00–3:00 PM
A lively, place-based geology presentation connecting rocks, rivers, and deep time in the Pacific Northwest.
Live Performances
Earth Day 2026 will include live performances celebrating culture, movement, and music.
Performance times and locations will be announced as the event approaches.
- Ballet Folklórico Alegrías de México
- Tri-Cities Steelband Association
Please note: The schedule is subject to change. This page will be updated as additional details are finalized.
Know Before You Go
- Free admission during Earth Day hours
- Family-friendly, all ages welcome
- Indoor and outdoor activities
- Strollers welcome
- Event takes place rain or shine
Parking & Getting There
Parking is available near the REACH Museum. Additional details will be shared closer to the event.
Accessibility
The REACH Museum is committed to creating an accessible and welcoming experience for all.
If you have questions about accessibility or accommodations, please contact us prior to the event.