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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.
Trees planted along local streams and rivers
Worth of stormwater management practices installed
Farms in the Chesapeake Bay watershed supported
Community scientists learned how to monitor water quality
March 15, 2025
Learn a new approach to conservation that starts in your yard, and how you can be the hope nature needs. Read More >
Nursery help wanted! We have a goal of starting over 12,000 seedlings for use in area plantings this fall. Come out to one of our four open-house-style native plant potting days. Read More >
April 4, 2025
Join Anne Arundel County Watershed Stewards and the Alliance for the Chesapeake Bay on April 4, 2025, from 2-4 PM at Quiet Waters park for the Project Clean Stream Kick-Off! We will meet at the Holly Pavilion and pull invasive species from the surrounding area. What is provided: Gloves, trash bags, and snacks will be provided. What to bring: Your favorite garden ... Read More >
Join the Alliance for the Chesapeake Bay on Friday, April 4th at 4pm for a Project Clean Stream kick-off event! This season we will be cleaning up Bantz Park along Codorus Creek, located at 798 Salem Ave, York, PA 17401. What is provided: Gloves, trash bags, & some light snacks. What to bring: Plan to ... Read More >
April 5, 2025
Save the date for the 2025 Tree Planting Relay (a.k.a. Treelay) taking place on April 5! Read More >
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 15 urban trees at this Maryland site! Read More >
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 140 trees at this Pennsylvania site! Read More >
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 630 trees at this Pennsylvania site! Read More >
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 40 trees at this Virginia site! Read More >
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 290 trees at this Pennsylvania site! Read More >
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 20 urban trees at this Maryland site! Read More >
April 10, 2025
One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 500 trees to help our watershed! Read More >
April 12, 2025
One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 525 trees to help our watershed! Read More >
April 19, 2025
One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 200 trees to help our watershed! Read More >
April 22, 2025
One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 350 trees to help our watershed! Read More >
April 26, 2025
Learn a new approach to conservation that starts in your yard, and how you can be the hope nature needs.
Learn More
Nursery help wanted! We have a goal of starting over 12,000 seedlings for use in area plantings this fall. Come out to one of our four open-house-style native plant potting days.
Join Anne Arundel County Watershed Stewards and the Alliance for the Chesapeake Bay on April 4, 2025, from 2-4 PM at Quiet Waters park for the Project Clean Stream Kick-Off! We will meet at the Holly Pavilion and pull invasive species from the surrounding area. What is provided: Gloves, trash bags, and snacks will be provided. What to bring: Your favorite garden ...
Join the Alliance for the Chesapeake Bay on Friday, April 4th at 4pm for a Project Clean Stream kick-off event! This season we will be cleaning up Bantz Park along Codorus Creek, located at 798 Salem Ave, York, PA 17401. What is provided: Gloves, trash bags, & some light snacks. What to bring: Plan to ...
Save the date for the 2025 Tree Planting Relay (a.k.a. Treelay) taking place on April 5!
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 15 urban trees at this Maryland site!
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 140 trees at this Pennsylvania site!
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 630 trees at this Pennsylvania site!
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 40 trees at this Virginia site!
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 290 trees at this Pennsylvania site!
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 20 urban trees at this Maryland site!
One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 500 trees to help our watershed!
One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 525 trees to help our watershed!
One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 200 trees to help our watershed!
One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 350 trees to help our watershed!
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The Alliance brings together communities, companies, and conservationists to improve our lands and waters.
For our forests. For our streams. For our future.
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