This FREE, family-friendly, zero-waste festival brings the community together through fun activities, live performing arts, great food, and inspiring exhibits that raise environmental awareness. Don’t miss this opportunity to celebrate the vibrant city of Santa Rosa and get involved by learning about solutions to address drought, climate change, and environmental concerns in the community. Please note: This event is rain or shine. 50+ Exhibitors Outdoor Showcase of Santa Rosa’s Performing Arts Scene Food & Drink Vendors Kids’ Activities & Crafts courtesy of Santa Rosa Recreation & Parks Local & Earth-friendly Products Hydration Station Zero Waste Event Giveaways Free Bike Parking…

Get a behind-the-scenes look at how wastewater is collected, cleaned, and reused. This tour includes a visit to the onsite lab, where millions of live microorganisms are monitored daily to help protect waterways and public health. The tour is free but requires pre-registration. If you pre-register, you will be notified with additional details and directions closer to your selected tour date.

Do you have a small appliance, textile, or bike in need of repair? Bring it to a Repair Fair hosted by Reuse Alliance! Volunteers and specialized repair professionals will be on-hand to repair many types of items. Please stay with your item while it’s being fixed, so you can learn tips for future maintenance, how to shop for repairable goods, and even how to repair things yourself! If you’d like to bring an item to repair, please register the item here. (Pre-registering allows them to prepare for your item!) Alternatively, does fixing things sound like a fun way to spend a…

There are positive, impactful actions you can take in your own garden and community to adapt to climate change. This talk offers concrete, achievable, science-based means to use in your own garden for carbon sequestration, food security, plant and animal habitat, and increased resilience in extreme weather and other climate change events. Registration is encouraged. After registering, you will receive a confirmation email containing information about attending the library talk.

Whether lake or ocean, aquatic environments teem with life. They can also become repositories for trash and be overrun by invasive species that threaten that life. Remove trash, and possibly invasive species, to keep our shoreline and aquatic ecosystem healthy for native species. Tools, gloves, materials, and refreshments provided. Registration required. Recommended that participants dress in layers, wear comfortable, closed toe hiking shoes and bring a hat and sunscreen. Most programs will happen rain or shine, but may be canceled during heavy rains, heavy smoke, or extreme temperatures. Ages 13 and under require a parent or guardian present. Ages 14–17…

Learn how we can protect our planet’s future at Cool Petaluma’s Future Fest.

Find inspiration at the 16th annual Eco-Friendly Garden Tour, a self-guided event showcasing low-water, sustainable landscapes across Sonoma and Marin counties. The tour features 27 unique gardens including both professionally designed spaces and personal passion projects which all demonstrate how beautiful gardens can thrive with less water.

Get a behind-the-scenes look at how wastewater is collected, cleaned, and reused. This tour includes a visit to the onsite lab, where millions of live microorganisms are monitored daily to help protect waterways and public health. The tour is free but requires pre-registration. If you pre-register, you will be notified with additional details and directions closer to your selected tour date.

Take a leisurely walk on the Dickson Trail at the San Pablo Bay National Wildlife Refuge. You’ll observe the current tidal marsh restoration area at the former Dickson Ranch in comparison to the older tidal marsh restoration at the Sonoma Baylands as you walk along the levee trail that separates them. Join Sonoma Land Trust and Ag + Open Space on the Bay! Level: Gentle

Looking for a hands-on way to support Petaluma’s community gardens? Join Daily Acts for their Garden Steward Volunteer Days, where they provide ongoing care for local demonstration gardens while creating meaningful opportunities for community involvement. 🌿 What to ExpectThese are casual, small-group workdays (typically 1–5 volunteers) where they tackle seasonal garden needs. Tasks may include:✔️ Mulching, weeding, planting✔️ Pruning (excluding fruit trees)✔️ Irrigation fixes & garden assessments (staff-led)✔️ Fun projects like plant mapping, signage, or outreach Reach out to Daily Acts by email to emily@dailyacts.org or by phone at (707)789-9664.

Get your hands dirty for a good cause—volunteer in the native plant garden and help pollinators thrive. Snacks provided! Help Laguna Environmental Center native plant garden flourish while connecting with community and nature. Volunteers play a vital role in keeping the Laguna Environmental Center beautiful and thriving. Typical tasks include planting, pruning, weeding, and spreading wood chips. The diverse landscape features native wildflowers, grasses, sedges, forbs, and trees, along with special highlights like a living willow tunnel in the Children’s Playscape, a scenic bridge over a swale, a tranquil pond, and an observation deck with sweeping views. No experience is…

Step right up for one of Petaluma’s most cherished traditions—the 2026 Petaluma Fair! This year’s theme, “Past, Present, and Future Luma,” celebrates our community’s rich heritage, the vibrant spirit of today, and the bright possibilities ahead. Experience the magic of the fairgrounds with livestock shows, still exhibits, thrilling rides, delicious local food, and family fun for all ages. From farm animals to fine arts, it’s a showcase of Petaluma pride—where our roots meet our future under the lights of Luma! Mark your calendars for June 18–21, 2026 — you won’t want to miss it! Have questions? Reach out to fair@cityofpetaluma.org.