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The Nature Conservancy-PA: Unleashing The Power Of Nature To Reduce Stormwater Pollution

Last year, during an especially severe summer storm, torrential rains moved through Philadelphia, flooding streets and clogging stormwater drains. With nowhere to go, the dirty water rushed into the Schuylkill River, and ultimately, the Delaware Bay.

City agencies are not alone in addressing this challenge. Stormwater runoff  is one of the nation’s leading causes of water pollution.

“Many of our aging cities face water infrastructure challenges,” says Julie Ulrich, director of The Nature Conservancy’s urban conservation program in Philadelphia. “Heavy rains  ow rapidly o  hard surfaces to overwhelm systems before  flooding and polluting streets, homes, businesses and local waters.”

In fact, Philadelphia and hundreds of other cities are legally obligated, under the Clean Water Act, to mitigate stormwater pollution by 85 percent over the next two decades.

According to Ulrich, the daunting and disruptive task of overhauling Philadelphia’s current stormwater management system comes with a $10 billion price tag that would take many decades to repay.

In response, the Philadelphia Water Department launched Green City Clean Waters, aimed at putting soil, grasses, plants and trees to work naturally absorbing stormwater.

PWD’s goal is to transform 10,000 acres into living landscapes—rain gardens, permeable pavements, green roofs, pocket parks, planters and other projects capable of storing and  filtering water that would otherwise cause harmful, costly, and disruptive  flooding and pollution around the city.

In order to accomplish this, PWD is engaging the Conservancy and other partners to accelerate the process of greening the city.

“Thanks to PWD, Philadelphia is the only U.S. city committed to solving this problem entirely through green stormwater infrastructure,” says Bill Kunze, the Conservancy’s Pennsylvania executive director. “I am excited about this big, bold and unprecedented step in exploring whether green infrastructure can compete with traditional approaches to water pollution management.”

Efforts by The Nature Conservancy to help the Philadelphia Water Department transform 10,000 acres of hard surfaces into natural, green stormwater solutions by 2036 received a tremendous boost thanks to a $2 million grant from the William Penn Foundation.

“Cities around the world are watching to learn whether this approach might work for them,” says Bill Kunze, the Conservancy’s Pennsylvania executive director. “We are excited by the chance to prove what nature can do.”

Delivering on this promise requires increasing the scale and pace of these efforts. Working with its conservation investing unit, NatureVest, the Conservancy aims to create  financial incentives for private landowners who can leverage this work around the city.

“Adding more nature to the built environment delivers bene ts that reach beyond pollution control,” says Julie Ulrich, director of the Conservancy’s urban conservation program in Philadelphia. “It also beautifies neighborhoods, enhances public and recreational spaces and even spurs job creation—all at a lower cost than traditional engineered solutions.”

Likely beneficiaries include vulnerable communities that suffer from flooding and a lack of green space.

“We are excited to help improve environmental and human health in the neighborhoods we serve,” says Andrew Anderson, executive director of the Friends Rehabilitation Program, an affordable housing and social service provider in the region. “We know that natural stormwater remediation reduces flooding; it also improves air quality, increases biodiversity, stabilizes temperatures and supports the health of our low-income tenants.”

Anderson’s enthusiasm is contagious. “This is going to take decades of work,” adds Ulrich. “But when it’s done, we’ll have reduced the stormwater pollution entering Philadelphia’s waterways by 85 percent, leaving them swimmable, fishable and drinkable on a level most of our citizens have never known.”

For more information on programs, initiatives and other special events, visit the PA Chapter of The Nature Conservancy website.  Click Here to sign up for updates from TNC, Like them on Facebook, Follow them on Twitter and Join them on InstagramClick Here to become a member.


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[Posted: March 18, 2018]


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