Earth Month Cleanups, Films, Markets Across County in April

Montgomery County's Climate office has compiled a calendar of Earth Month events for April 2026, including neighborhood cleanups in Oakview (April 11) and Rock Creek Stream Valley Park (April 18), a Takoma Park Earth Day event (April 12), a City Nature Challenge for the DC metro area (April 24–27), and an Earth Month Family Celebration at Brookside Gardens (April 26), among others. A full calendar is available on the My Green Montgomery Community Calendar.