• 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.

  • Why Private Land Conservation Matters

    Boulder Unitarian Universalist Church 5001 Pennsylvania Ave, Boulder, CO 80303

    This program will feature a discussion about the importance of protecting and conserving privately owned land in Colorado for the benefit of people and wildlife.

  • How Flowers Made Our World Webinar

    Virtual

    Using examples from his latest book, How Flowers Made Our World, David Haskell will illuminate the many ways that we live on a floral planet.

  • How Flowers Made Our World Webinar

    Virtual

    Flowers are revolutionaries. When flowering plants evolved, they swiftly transformed the planet, and their productivity sustains much of life today.

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