ANS protects land and water through policy and advocacy. Check out our current campaigns, letters & testimony, and opportunities to TAKE ACTION on our Conservation Blog: conservationblog.anshome.org


Preventing Polluted Runoff: ANS works with Montgomery, Prince George’s, and Fairfax Counties, as well as DC, to help them develop and implement their plans for preventing polluted runoff.

In coalition with a broad network of partner organizations, we meet with the environmental agencies in each jurisdiction, advise them on how to meet their Clean Water Act permits, and help them design their programs to best reach neighborhoods and communities. We also meet with and work to influence state- and federal-level decision makers in agencies and the legislatures to improve the laws and policies that govern how development is managed!


Campaigning for Conservation Victories: ANS has a storied history as the oldest conservation organization in the Washington, DC region.

Today, we continue that tradition of advocacy by focusing on protecting the land and water of our local region.

We helped pass the Montgomery County pesticide lawn ban bill, advocated for transit-oriented development around Tyson’s Corner and, most recently, helped lead the coalition to Save Ten Mile Creek. Now we are keeping a close eye on the proposed Purple Line in Montgomery and Prince George’s Counties to ensure that it meets stringent county standards for managing polluted runoff into streams—if it gets built, it should be a Deep Green Purple Line.

ANS also protects land and water through community science, and by training people to be advocates and stewards for clean water.

RSS Recent Posts on the Conservation Blog

  • TAKE ACTION: Say NO to Wetlands and Stream Destruction for Highway Construction! September 23, 2022
    Along with many partners, ANS has continued to fight the wrong-headed decision to expand the Beltway and I-270 in Maryland. For years, Governor Hogan has pushed for a pre-determined solution to traffic: more pavement, built by a private operator to be funded with variable tolls. The entire process has barely… Continue reading
    Eliza Cava
  • TAKE ACTION On Montgomery County’s Forest Conservation Bill 25-22 TODAY! September 15, 2022
      Montgomery County Council has just introduced the amended Forest Conservation Law Bill 25-22. This bill is a step in the right direction because it does provide some improvements to the existing Forest Conservation Law like expanding mitigation requirements for variance trees. However, we feel strongly that by taking steps like prioritizing Forest ecosystem… Continue reading
    Denisse Guitarra
  • Together, we can make progress: That’s the idea behind the new Story of Streams Report September 13, 2022
    Teamwork makes the streams work! Using new types of data and real peoples’ stories as motivators, the Audubon Naturalist Society alongwith watershed group partners, Friends of Holmes Run, Friends of Oxon Run, and the Neighbors of the Northwest Branch, have created the first-of-its-kind Story of Streams, a report card designed… Continue reading
    Eliza Cava