4th Annual Tri-Cities Earth Day
April 18, 2026 12:00 PM –4:00 PM
Overview
Tri-Cities Earth Day 2026
Celebrate Earth Day with the community at REACH Museum on Saturday, April 18, 2026, from 12–4 PM.
Tri-Cities Earth Day is a free, family-friendly event bringing together local organizations, educators, artists, and community groups focused on conservation, sustainability, science, and local environmental action. Visitors can enjoy hands-on activities, interactive learning, live performances, earth-inspired art, and opportunities to connect with organizations making a difference in the Mid-Columbia River region.
Now in its fourth year, Tri-Cities Earth Day welcomes 750+ attendees and highlights ways families and individuals can take meaningful action—right here in the Tri-Cities.
📍 Location: REACH Museum, Richland, WA
🎟️ Cost: Free admission
👨👩👧👦 All ages welcome
