Isolated wetlands provide great ecological and economic value to the United States. While some states provide protection for isolated wetlands, a great many do not. These wetlands are also left outside the ambit of federal wetland regulatory protections under the Clean Water Act, with its murky...

Recent research demonstrates the difficulties that federal systems of government may present for international treaty formation, a prime example being legally binding treaties aimed at harnessing global forests to regulate climate change. Some federal constitutions, such as the U.S. and Canadian...