Very few of Ontario’s quickly vanishing marshes and swamps are safe from development. A group of citizens managed to preserve one, but they also found deep flaws in the system.
In Sackett v. EPA, a suit filed by two homeowners who filled in wetlands on their property, the Supreme Court has drastically narrowed the definition of which wetlands qualify for federal protection.
Drought and dams have pushed Tonle Sap into dangerous decline, threatening its swamp forests and the fish nurseries there that provide most of the nation's protein.