Location: Pennsylvania

an adult and a child plant a small tree in a field

Pass the Golden Shovel for this Year’s Tree Planting Relay

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!

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Don’t Miss out on this Magnificent Migration

The audible and visual sensory overload as tens of thousands of birds simultaneously take flight is something you have to see to believe. At times, it can feel like you’re standing in a real-life snow globe surrounded by an inconceivable number of snow geese as they lift off the water.

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An Eastern tiger swallowtail butterfly with its wings fully open as it rests on a purple plant.

Doug Tallamy – Nature’s Best Hope

Learn a new approach to conservation that starts in your yard, and how you can be the hope nature needs.

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Thank You to Our 2024 Volunteers!

Our volunteers’ hard work has a lasting impact improving the ecosystem, health, and beauty of the watershed, and their time and dedication has made this effort a success. We could not have done it without them!

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Cumberland County Tree Stewards Training

Want to strengthen your tree knowledge and be a community leader? Attend the Alliance’s Tree Stewards Training today! 

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Wild & Scenic Film Festival – PA

Save the date for the 2025 Wild & Scenic Film Festival in PA!

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Winter Tree ID & Seed Collection Workshop – Dorwart Park

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

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Winter Tree ID & Seed Collection Workshop – Paradise Park

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

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a group of people plant trees

The Alliance Plants Its 1,000th Acre of Forest Buffer in Pennsylvania!

The Alliance’s PA Riparian Forest Buffer Project planted its 1,000th acre! Join us as we reflect on the last six years of upstream work for clean water and healthy forests.

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Thank you for another successful Taste!

The 2024 Taste was another great success! Many thanks to our sponsors and friends for raising $116k for our mission to restore the lands and waters of the Chesapeake Bay watershed.

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