Find An Event
Donate Now
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 26, 2026
Come plant trees with the Alliance and partners in Richmond Hill! Read More >
March 28, 2026
Help make a splash towards clean water and healthy communities by planting trees with the Alliance during Treelay! Read More >
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 385 trees at this Pennsylvania site! Read More >
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 25 trees at this Maryland site! Read More >
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 20 trees at this Maryland site! Read More >
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 600 trees at this Pennsylvania site! Read More >
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 100 trees and 700 live stakes at this Pennsylvania site! Read More >
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 15+ trees at this Virginia site! Read More >
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 200 trees at this Pennsylvania site! Read More >
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 15 trees at this Maryland site! Read More >
April 1, 2026
Save the date for the 2026 Wild & Scenic Film Festival in MD! Read More >
April 3, 2026
Join the Alliance for the Chesapeake Bay on Friday, April 3rd for Project Clean Stream Spring kick-off in Washington, DC! This season we will be The Well at Oxon Run, located at 300 Valley Ave SE, from 12-2 PM. Read More >
Kick-off the spring Project Clean Stream weekend with the Alliance for the Chesapeake Bay on Friday, April 3 at Blackwell Park/Charlie Sydnor Playground in Richmond, VA. Read More >
April 4, 2026
One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 300+ trees in Littlestown, PA to help our watershed! Read More >
April 8, 2026
Save the date for the 2026 Wild & Scenic Film Festival in DC! Read More >
April 11, 2026
One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 250 trees in Hanover, PA to help our watershed! Read More >
One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 10 large stock trees in Marietta, PA to help our watershed! Read More >
April 14, 2026
Help us maintain green infrastructure practices and conservation landscaping at Blackwell Park on the Southside of Richmond. Read More >
Save the date for the 2026 Wild & Scenic Film Festival in PA! Read More >
April 18, 2026
One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 175 trees in Millersville, PA to help our watershed! Read More >
April 25, 2026
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 in Boalsburg, PA to help our watershed! Read More >
May 8, 2026
Come plant trees with the Alliance and partners in Richmond Hill!
Learn More
Help make a splash towards clean water and healthy communities by planting trees with the Alliance during Treelay!
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 385 trees at this Pennsylvania site!
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 25 trees at this Maryland site!
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 20 trees at this Maryland site!
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 600 trees at this Pennsylvania site!
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 100 trees and 700 live stakes at this Pennsylvania site!
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 15+ trees at this Virginia site!
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 200 trees at this Pennsylvania site!
Join the Treelay, a watershed-wide hands-on volunteer day, and help plant 15 trees at this Maryland site!
Save the date for the 2026 Wild & Scenic Film Festival in MD!
Join the Alliance for the Chesapeake Bay on Friday, April 3rd for Project Clean Stream Spring kick-off in Washington, DC! This season we will be The Well at Oxon Run, located at 300 Valley Ave SE, from 12-2 PM.
Kick-off the spring Project Clean Stream weekend with the Alliance for the Chesapeake Bay on Friday, April 3 at Blackwell Park/Charlie Sydnor Playground in Richmond, VA.
One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 300+ trees in Littlestown, PA to help our watershed!
Save the date for the 2026 Wild & Scenic Film Festival in DC!
One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 250 trees in Hanover, PA 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 10 large stock trees in Marietta, PA to help our watershed!
Help us maintain green infrastructure practices and conservation landscaping at Blackwell Park on the Southside of Richmond.
Save the date for the 2026 Wild & Scenic Film Festival in PA!
One of the best actions you can do to improve the health of the Bay is to plant trees. Come help us plant 175 trees in Millersville, PA 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 500+ trees in Boalsburg, PA to help our watershed!
Join Our Online Community
The Alliance brings together communities, companies, and conservationists to improve our lands and waters.
For our forests. For our streams. For our future.
Donate Today
