Baltimore County’s Man-made Wetlands May Offer a Line of Defense Against Climate Change

Walking down to Bullneck Creek at Chesterwood Park in Dundalk, Baltimore County Environmental Protection and Sustainability Director David Lykens pointed out one of the county’s dozens of man-made wetlands. This one protects 450 feet of shoreline, about the length of one and a half football fields.

“Some of them are thousands of feet long,” Lykens said. “We have them all sizes, all styles throughout the county.”

For decades, Baltimore County has spent tens of millions to create marshes to fight erosion and pollution. Now that climate change is threatening shorelines, officials will be watching to see if that investment will offer protection or eventually be inundated by rising waters.

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