An aerial view of the Prairie Pothole Region, near Wing, North Dakota. A new U.S. clean water rule protects prairie potholes and other freshwater ecosystems. Credit: Jim Ringelman, Ducks Unlimited/courtesy US Department of Agriculture.
“Reasonable people can disagree over language, and it is for the Court to decide questions of law. But when it comes to the connection of tributaries, streams, and wetlands to navigable waters and interstate commerce, there is no ecological ambiguity. In the opinion of Amici, if the Clean Water Act does not protect these resources, then it does not protect navigable waters from pollution, and it cannot achieve its goals.”