Calendar of Events

If you know of any events of interest please reach out to calendar@onemontgomerygreen.org

Events

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  • Weed Warrior Workday at Bullis Local Park

    Bullis Local Par 8501 Houston Street, Silver Spring, MD, United States

    Weed Warrior Workday at Bullis Local Park Meet at the bleachers along Easley Street Saturday, March 28, 2026 10:00AM - 12:00PM Save the trees and protect the Sligo Creek watershed […]

  • Navigating Nuclear in an Era of Deregulation

    With data center development's energy demands threatening many states' climate goals, some have proposed nuclear energy as the source to power data centers reliably without depending on fossil fuels. But […]

  • Community Paper Shredding & Electronic Recycling Event

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    Silver Spring United Methodist Church 8900 Georgia Avenue, Silver Spring, MD, United States

    Clear out clutter and make a difference! Join One Montgomery Green for a Community Paper Shredding & Electronics Recycling Event—now featuring a special Lightbulb Exchange. 📅 Event Details Saturday, April […]

  • Earth Day 2026: Change Grows Here

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    Takoma Park Silver Spring Co-op 201 Ethan Allen Ave., Takoma Park, MD, United States

    Earth Day 2026: Change Grows Here You’re Invited to our annual Earth Day Celebration at TPSSSunday, April 12 | 10:00 am–3:00 pm Join us for TPSS Co-op’s annual Earth Day […]

  • Earth Day Live: America’s Cities Are Stepping Up on Climate

    EARTH DAY LIVE Debating Planet Earth's Urgent Issues Earth Day Live: America’s Cities Are Stepping Up on Climate Thursday, April 16, 2026, 12:00 PM EST This Earth Day, EARTHDAY.ORG convenes three municipal leaders […]

  • 2026 GreenFest

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    BlackRock Center for the Arts 12901 Town Commons Drive, Germantown, MD, United States

    The Montgomery County GreenFest is the largest environmental festival in Montgomery County, MD, and is made possible thanks to a coalition of public, private and nonprofit partners. 250 Actions Montgomery […]

  • Montgomery County Energy Summit: Elevating Building Performance

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    Silver Spring Civic Building at Veterans Plaza 1 Veterans Plaza, Silver Spring, MD, United States

    Montgomery County Energy Summit: Elevating Building Performance April 28 - 29  •  Silver Spring Civic Center Don't miss your chance to register at early-bird rates for the 2026 Montgomery County Energy Summit, happening April 28 – 29 at […]

  • Walk in your watershed – Birding event in Potomac

    Greenbriar Local Park 12525 Glen Road, Potomac, MD, United States

    Walk in your watershed Birds tell us a lot about our environment. Muddy Branch Alliance and Watts Branch Alliance are planning a birding event May 2th, from 7:30 to 8:30am. Local […]