Explore An Iconic Mammal in Episode IV of Animals Upstream

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Our Impact

We strive for clean streams and rivers flowing through resilient landscapes, cared for by the people who live, work, and play in the Chesapeake Bay watershed.

1 million+

Trees planted along local streams and rivers

$10 million

Worth of stormwater management practices installed

141

Farms in the Chesapeake Bay watershed supported

700

Community scientists learned how to monitor water quality

Get Involved

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Winter Tree ID & Seed Collection Workshop – Dorwart Park

November 23, 2024

Join us to learn more about native tree identification and help us collect seeds that will be germinated for future forest plantings! Read More >

Winter Tree ID & Seed Collection Workshop – Paradise Park

November 23, 2024

Join us to learn more about native tree identification and help us collect seeds that will be germinated for future forest plantings! Read More >

Find even more local events, volunteer opportunities, and job postings on the Chesapeake Network!

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Our Work

The Alliance brings together communities, companies, and conservationists to improve our lands and waters.

Forests

Agriculture

Green Infrastructure

Stewardship & Engagement

Latest Blogs

a group of people plant trees
The Alliance Plants Its 1,000th Acre of Forest Buffer in Pennsylvania!
are you present?
Thank you for a Successful 2024 Chesapeake Watershed Forum!
four white birds fly over a snowy field
Duck, duck go out and see some waterfowl
Welcome to Our New Alliance Team Members!
A group of people gather around a tree as someone speaks
Connecting with Nature is Easier When You’re In It!
Preventing the Apocalypse with the American Carrion Beetle
Close up view of 5 red osier dogwood's white berries with a black dot in the center surrounded by green leaves that are turning red in the Fall.
What’s Peepin’? Spook-tacular Fun: Red Osier Dogwood
a group of people plant trees
The Alliance Plants Its 1,000th Acre of Forest Buffer in Pennsylvania!
are you present?
Thank you for a Successful 2024 Chesapeake Watershed Forum!
four white birds fly over a snowy field
Duck, duck go out and see some waterfowl
Welcome to Our New Alliance Team Members!
A group of people gather around a tree as someone speaks
Connecting with Nature is Easier When You’re In It!
Preventing the Apocalypse with the American Carrion Beetle
Close up view of 5 red osier dogwood's white berries with a black dot in the center surrounded by green leaves that are turning red in the Fall.
What’s Peepin’? Spook-tacular Fun: Red Osier Dogwood

Make an impact.

For our forests. For our streams. For our future.

Donate Today

Photo courtesy of Chesapeake Bay Program