Our Work

Bittersweet Spring: Native Vines and Vibrant Birds of the Chesapeake Bay

American bittersweet is a resilient, climbing native vine that’s more than just a pretty face in the spring woods.

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A chestnut-sided warbler peering up and to the side as it rests on a highbush blueberry branch.

Setophaga pensylvanica: The ‘Pennsylvania Moth Eater’

The chestnut-sided warbler is a diminutive but beautiful neotropical migrant songbird that breeds throughout the forests of the Chesapeake Bay Watershed.

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a group of people bend over to pick up trash along a path

Another Project Clean Stream Kickoff Means More Trash Removed from the Bay

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.

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a room of people watch a speaker on stage

Emerging Contaminants in the Bay: Insights, Innovation, and Inspiration from the 2025 Symposium

The Alliance hosted the Symposium on Emerging Contaminants in the Bay, in partnership with Morgan State University. This groundbreaking event highlighted cutting-edge research, innovative solutions, and collaborative strategies for tackling issues related to emerging contaminants.

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a group of people plant tree seedlings in a field

Thank You to Our Volunteers for Making the 3rd Annual Treelay a Success

Thank you to everyone who made the 2025 Volunteer Tree Planting Relay possible! Over the course of the day on April 5, 2025, the Alliance team, partners, and 186 dedicated volunteers planted 1,200 trees across the watershed.

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clean water starts here

International Infrastructure: Explore Green Infrastructure Across the Globe

Green infrastructure’s designs and applications offer breathtaking, sustainable solutions to many of the challenges we face today. Explore some of these innovative techniques from around the world.

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small potted trees in the foreground with a group of people in the background

Treelay at Bowie State: A Student’s Perspective

April 5th, 2025 marked the first time I participated in the Alliance’s annual Tree Planting Relay (Treelay), or any tree planting for that matter. It just so happened that this planting was at my very own campus, Bowie State University.

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The top of two loaves of lemon pound cake drizzled with icing surrounded by sliced lemons.

Bake Up a Slice of Spring: Lemon Pound Cake with Redbud Flowers Recipe

This lemon pound cake with redbud flowers offers a local blend of flavors and a beautiful springtime aesthetic, making it a perfect treat to celebrate the season.

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What’s Hoppin’? Phenological Fun

Is there any other sound that is more diagnostic of spring than the aptly named spring peeper (Pseudacris crucifer)?

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a person smiles while picking up trash along a bike path

Project Clean Stream Returns for Another 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.

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