Terrible news for the environment today. Sadly though, not unexpected news.
Small and "isolated" wetlands have connections in the groundwater system and treating these isolated wetlands as something that can be plowed under or build over is going to have serious environmental issues.
But ¯\_(ツ)_/¯
https://www.cnn.com/2023/05/25/politics/supreme-court-wetlands-authority-epa/index.html