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Despite its famed cherry blossoms, the District of Columbia does not typically come to mind when envisioning outdoor greenspace. However, with its plentiful parks, generous waterfront access, and extensive urban tree canopy, Washington, DC has more to offer in the way of greenspace than one might expect.
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Become a Water Quality Monitoring Citizen Scientist and gain hands-on experience collecting data and water samples throughout the District!
On Friday, April 4, 2025, we kicked off our 23rd season of Project Clean Stream (PCS)! Thank you to all of our dedicated volunteers and partners who helped us kick off the season.
Every year, thousands of volunteers come together to pick up trash from local streams, creeks, rivers, parks, and neighborhoods as part of the Alliance’s Project Clean Stream.
Thank you to everyone who joined us from March 4-6 across the watershed for the Alliance’s 5th Annual Wild & Scenic Film Festival!
Join the Alliance for the Chesapeake Bay on Friday, April 4th for a Project Clean Stream kick-off event in Washington, DC! This season we will be cleaning up Oxon Cove Park, located at 6411 Oxon Hill Rd, from 10-12 PM. What is provided: Gloves, trash bags, & some light snacks. What to bring: A full …
Do you live in the Anacostia watershed? The Alliance is offering up to 75% off of maintenance for your installations!
The District of Columbia Citizen Science Water Quality Monitoring Report 2024 is out! The report covers key data and takeaways from citizen science monitoring from the 2024 season and gives insight into water quality near popular recreation sites across the District.
