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The Wissahickon Restoration Volunteers (WRV) is dedicated to the restoration of the natural areas of the Wissahickon Valley Park in Philadelphia.

WRV is a member-supported, volunteer-driven nonprofit founded in 1997 that actively protects and improves the natural environment within the nearly 2,000-acre urban park. Incredibly, more than 80% of the park is still forested.

But, the forest takes care of itself, right?

Unfortunately, the answer is "no," for the Wissahickon. Located in a city surrounded by millions, the forest shows significant signs of a degrading ecosystem. Lack of plant and tree diversity. Severe erosion problems along tributaries. Too few seedlings for a future healthy forest. Overabundance of deer herds, invasions of exotic plant species that choke out native vegetation, and human use that introduces water and air pollution, all contribute to a forest in need of our help.