On November 5, 2026, a federal judge granted a temporary restraining order that will temporarily block Trump’s proposed monumental “Triumphal Arch” planned for Columbia Island in the Potomac River.

Winter is coming, and so are the ticks! Learn about how losing trees can increase tick populations, and how you can get involved.

Something sinister is hiding in the forests of the Potomac River region, where invasive pests and disease are quietly killing native hemlock, beech, and ash trees. Their disappearance threatens more ...

Once slated for development, it's now the state's newest public land! And, its forest, streams, and wildlife habitat are permanently protected by a conservation easement. Potomac Conservancy ...

Before humans settled along the banks of the Potomac River, plants and animals ruled the land. Teeming with fish and bolstered by forests, the river was a force to be reckoned with. Today, the river ...

The Potomac River region boasts some famous national parks like Shenandoah and Great Falls. But those are only two of the dozens of National Park sites in our region- not to mention state and local ...

We acknowledge that the Potomac River and Chesapeake regions are the traditional land of the Powhatan, Piscataway, and Nanticoke peoples. Have you ever stopped to wonder how the Potomac River has ...

From American goldfinches to diamondback terrapins, a treasure trove of critters calls the tidal marshes along the Potomac River their home, but the climate crisis is threatening these invaluable ...

Take a moment and imagine your favorite spot on the Potomac River. Picture it vividly—the sounds, the smell, the feeling, the view. Now think about what that place means to you. Each of us carries a ...

The summer heat is here, and we are ready to cool off! Although certain parts of the Potomac River are unsafe to swim in (between Great Falls and the southern Maryland/DC line), we have lots of ...

Arielle Solomon has been a research assistant for the Potomac-Chesapeake Dolphin Project since graduating from Duke University, where she received her Bachelor of Science in Marine Science and ...

Our local waterways are even more alluring during the steamy days of summer. In fact, about a century ago, the Potomac River was dotted with popular swimming beaches – including along the Tidal Basin, ...