Several United States environmental policies may be weakened or removed following a week of announcements by various agencies with plans to introduce major changes. This could mark the largest rollback of environmental protections under any administration. In November, the U.S. Environmental Protection Agency (EPA) proposed to remove federal protections from millions of acres of wetlands and streams, thereby reducing the power of the 1972 Clean Water Act. The EPA said it planned to more narrowly define “waters of the United States”…