Canada’s $1.4-billion Windsor-Essex Parkway road construction project is calling on 2m-high silt fence barriers along roughly 13 km of its work zone. This unusually high geotextile barrier is being used not for erosion and sediment control but endangered species protection. The eastern foxsnake inhabits the area. A climber that is also able to dig, environmentalists overseeing the project hope the trenched fabric will protect the snake from going over or under the barrier.

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