Make A Lasting Impact for Clean Water & Healthy Communities

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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

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2026 Treelay – Save the Date

March 28, 2026

Join the Alliance as we host back-to-back tree plantings in a relay-style event to get thousands of trees in the ground in just one day. Known as “Treelay,” this event takes place at numerous sites across the Chesapeake Bay watershed, and volunteers plant continuously for one full day. Our 2026 Treelay will take place on ... 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

orange flowers and a person showing another what is growing in a garden
Baltimore Green Space Invests in Preserved Spaces in Baltimore City Communities
four people laugh while talking to each other
The Swansboro West Civic Association envisions a new green space for their community
two people look at plants in a garden
NeighborSpace of Baltimore County builds stewardship capacity in Six Communities
a person shows another a small plant
Edible Classroom Engages 2,918 students with their school-day lessons in the Garden
Students putting temporary flags in a field to designate future tree planting spots.
Updates from Loysville Youth Development Center
cows graze in a pasture
Agriculture Uncovered: Pasture Management and Rotational Grazing
Reduce Your Stormwater: Invasive Plant Removal
orange flowers and a person showing another what is growing in a garden
Baltimore Green Space Invests in Preserved Spaces in Baltimore City Communities
four people laugh while talking to each other
The Swansboro West Civic Association envisions a new green space for their community
two people look at plants in a garden
NeighborSpace of Baltimore County builds stewardship capacity in Six Communities
a person shows another a small plant
Edible Classroom Engages 2,918 students with their school-day lessons in the Garden
Students putting temporary flags in a field to designate future tree planting spots.
Updates from Loysville Youth Development Center
cows graze in a pasture
Agriculture Uncovered: Pasture Management and Rotational Grazing
Reduce Your Stormwater: Invasive Plant Removal

Make an impact.

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

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Photo courtesy of Chesapeake Bay Program