The North Bay Zero Waste Symposium engages community stakeholders by showcasing zero waste policies, programs and infrastructure that design waste out of the system wherever possible and divert discarded materials through composting, reclaiming, reducing, reusing, and recycling.  Together, it is possible to be a model for the rest of the community and beyond. The North Bay Zero Waste Symposium goal is to: Educate the community on zero waste; Encourage zero waste as a goal North Bay residents, cities, the county, businesses, institutions, and nonprofits; Support zero waste policy goals through action plans that significantly reduce waste and maximize recycling, composting…

A few wise choices in planning your home’s landscape can assist a thriving efficient ecosystem and be quite beautiful as well. Providing some shade using larger shrubs and small trees, even if you have limited garden space, can temper heat extremes and provide food for any number of small creatures. Come to learn about plants that are native to Sonoma County, and how they may fit into your garden space. Hosted by Sonoma County Master Gardeners. Registration is encouraged. After registering, you will receive a confirmation email containing information about attending the talk.

Raise a glass to the newly-certified Green Businesses in Petaluma! This event is free and open to all. Celebrate the local business leaders who have completed their Green Business Certification as a part of our spring Green Biz Cohort. This event is for anyone interested in sustainability practices, including current Cool Business Collective members, people interested in pursuing a Green Business Certification, or anyone looking to have a good time with fellow greenies. Come congratulate the newly certified businesses and get your questions about applying for the Green Business Certification answered by people who have just graduated from the program…

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.

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

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…

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…

Do your part for clean water and a healthy ocean. The My Water Pledge is a friendly competition hosted by the Wyland Foundation between cities across the United States to see who can be the most water-wise. Mayors nationwide will challenge their residents to conserve water, energy and other natural resources on behalf of their city through a series of online pledges.  The Wyland Foundation is a non-profit public charity dedicated to clean water and healthy oceans. Take the pledge April 1 – 30, 2026 to be entered to win 100s of prizes. 30 Daily prizes will be drawn at…

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.

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.

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