• Public Lands in Public Hands for the Public Good: Engaging law, policy, and advocacy to protect our shared natural heritage – The annual Boulder County Nature Association Ecosymposium

    The Avalon Ballroom 6185 Arapahoe Rd, Boulder, CO, us

    We all cherish these public lands—our forests, creek, grasslands, and our many parks and trails. Most of us in Boulder County think of public lands as a shared good and a reservoir of natural and cultural bounty held by the government for the benefit of current and future ecosystems, residents, and visitors.

  • Spaceship Earth Multimedia Presentation Boulder Arts Week!

    Junkyard Social Club 2525 Frontier Ave, Unit A, Boulder, CO

    Join us for Boulder Arts Week and celebrate the 56th Anniversary of Earth Day in this wonderful space that is woman owned and LGBTQ+ friendly at Junkyard Social Club in beautiful Boulder, Colorado!

  • Eco-Mural Bike Tour

    VisionQuest Brewery 2510 47th St, Suite A2, Boulder, Colorado

    Join Street Wise Arts for a special bike tour in partnership with the City of Boulder during Boulder Arts Week!

  • Restoration in Action: How Communities Heal Ecosystems

    Boulder Rural Fire Rescue 6230 Lookout Rd,, Boulder, Colorado

    Kevin Shuck, WRV Director of Programming, will explore the vital role of volunteer-powered conservation using WRV’s 25+ years of work as a lens to understand ecological challenges and solutions.

  • Boulder Tree Seedling Giveaway

    Boulder Farmers Market 13th Street and Canyon Boulevard, Boulder, CO, United States

    Back for another year, Boulder's Forestry staff are teaming up with the PLAY Boulder Foundation to give away tree seedlings to Boulder community members on Saturday, April 18th at Boulder Farmer's Market at 13th and Arapahoe.

  • KICP Earth Day Cleanup – Davidson Mesa Open Space

    Davidson Mesa Trailhead South 80th Street Boulder, CO 80303

    Join the KICP team for a cleanup on Earth Day! Picking up trash along our trails keeps it from blowing into waterways on the next windy day. 

  • KICP Earth Day Cleanup – Davidson Mesa Open Space

    Davidson Mesa Trailhead South 80th Street Boulder, CO 80303

    Join the KICP team for a cleanup on Earth Day! Picking up trash along our trails keeps it from blowing into waterways on the next windy day. 

  • WTS Boulder: Earth Day Cleanup + Happy Hour

    Boulder Municipal Building 1777 Broadway St, Boulder, CO, United States

    Come join WTS Boulder members to celebrate Earth Day by cleaning up Boulder's Multi-Use Path! Gloves, bags, and tongs will be provided. Please dress appropriately!

  • 2026 Zonta Foothills Climate Justice Forum

    East Boulder Community Center 5660 Sioux Dr, Boulder, US

    The forum will feature a panel of climate justice experts & advocates who are at the forefront, fighting to save their communities, buld sustainable practices, & pass legislation to mitigate the effects of climate change.

  • Earth Day Community Storytelling Night

    eTown Hall 1535 Spruce Street, Boulder

    This Earth Day, join the City of Boulder at eTown Hall for an evening of storytelling, creativity and community connection.

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